1966900000

素因数分解:

$2^5\times 5^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 5581049040

約数和(自身を除く): 3614149040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 65, 68, 80, 85, 89, 100, 104, 125, 130, 136, 160, 170, 178, 200, 208, 221, 250, 260, 272, 325, 340, 356, 400, 416, 425, 442, 445, 500, 520, 544, 625, 650, 680, 712, 800, 850, 884, 890, 1000, 1040, 1105, 1157, 1250, 1300, 1360, 1424, 1513, 1625, 1700, 1768, 1780, 2000, 2080, 2125, 2210, 2225, 2314, 2500, 2600, 2720, 2848, 3026, 3125, 3250, 3400, 3536, 3560, 4000, 4250, 4420, 4450, 4628, 5000, 5200, 5525, 5785, 6052, 6250, 6500, 6800, 7072, 7120, 7565, 8125, 8500, 8840, 8900, 9256, 10000, 10400, 10625, 11050, 11125, 11570, 12104, 12500, 13000, 13600, 14240, 15130, 16250, 17000, 17680, 17800, 18512, 19669, 20000, 21250, 22100, 22250, 23140, 24208, 25000, 26000, 27625, 28925, 30260, 32500, 34000, 35360, 35600, 37024, 37825, 39338, 40625, 42500, 44200, 44500, 46280, 48416, 50000, 52000, 53125, 55250, 55625, 57850, 60520, 65000, 68000, 71200, 75650, 78676, 81250, 85000, 88400, 89000, 92560, 98345, 100000, 106250, 110500, 111250, 115700, 121040, 130000, 138125, 144625, 151300, 157352, 162500, 170000, 176800, 178000, 185120, 189125, 196690, 212500, 221000, 222500, 231400, 242080, 260000, 276250, 278125, 289250, 302600, 314704, 325000, 340000, 356000, 378250, 393380, 425000, 442000, 445000, 462800, 491725, 552500, 556250, 578500, 605200, 629408, 650000, 690625, 723125, 756500, 786760, 850000, 884000, 890000, 925600, 945625, 983450, 1105000, 1112500, 1157000, 1210400, 1300000, 1381250, 1446250, 1513000, 1573520, 1700000, 1780000, 1891250, 1966900, 2210000, 2225000, 2314000, 2458625, 2762500, 2892500, 3026000, 3147040, 3615625, 3782500, 3933800, 4420000, 4450000, 4628000, 4728125, 4917250, 5525000, 5785000, 6052000, 7231250, 7565000, 7867600, 8900000, 9456250, 9834500, 11050000, 11570000, 12293125, 14462500, 15130000, 15735200, 18912500, 19669000, 22100000, 23140000, 24586250, 28925000, 30260000, 37825000, 39338000, 49172500, 57850000, 61465625, 75650000, 78676000, 98345000, 115700000, 122931250, 151300000, 196690000, 245862500, 393380000, 491725000, 983450000, 1966900000]

約数ペア:

[(1, 1966900000), (2, 983450000), (4, 491725000), (5, 393380000), (8, 245862500), (10, 196690000), (13, 151300000), (16, 122931250), (17, 115700000), (20, 98345000), (25, 78676000), (26, 75650000), (32, 61465625), (34, 57850000), (40, 49172500), (50, 39338000), (52, 37825000), (65, 30260000), (68, 28925000), (80, 24586250), (85, 23140000), (89, 22100000), (100, 19669000), (104, 18912500), (125, 15735200), (130, 15130000), (136, 14462500), (160, 12293125), (170, 11570000), (178, 11050000), (200, 9834500), (208, 9456250), (221, 8900000), (250, 7867600), (260, 7565000), (272, 7231250), (325, 6052000), (340, 5785000), (356, 5525000), (400, 4917250), (416, 4728125), (425, 4628000), (442, 4450000), (445, 4420000), (500, 3933800), (520, 3782500), (544, 3615625), (625, 3147040), (650, 3026000), (680, 2892500), (712, 2762500), (800, 2458625), (850, 2314000), (884, 2225000), (890, 2210000), (1000, 1966900), (1040, 1891250), (1105, 1780000), (1157, 1700000), (1250, 1573520), (1300, 1513000), (1360, 1446250), (1424, 1381250), (1513, 1300000), (1625, 1210400), (1700, 1157000), (1768, 1112500), (1780, 1105000), (2000, 983450), (2080, 945625), (2125, 925600), (2210, 890000), (2225, 884000), (2314, 850000), (2500, 786760), (2600, 756500), (2720, 723125), (2848, 690625), (3026, 650000), (3125, 629408), (3250, 605200), (3400, 578500), (3536, 556250), (3560, 552500), (4000, 491725), (4250, 462800), (4420, 445000), (4450, 442000), (4628, 425000), (5000, 393380), (5200, 378250), (5525, 356000), (5785, 340000), (6052, 325000), (6250, 314704), (6500, 302600), (6800, 289250), (7072, 278125), (7120, 276250), (7565, 260000), (8125, 242080), (8500, 231400), (8840, 222500), (8900, 221000), (9256, 212500), (10000, 196690), (10400, 189125), (10625, 185120), (11050, 178000), (11125, 176800), (11570, 170000), (12104, 162500), (12500, 157352), (13000, 151300), (13600, 144625), (14240, 138125), (15130, 130000), (16250, 121040), (17000, 115700), (17680, 111250), (17800, 110500), (18512, 106250), (19669, 100000), (20000, 98345), (21250, 92560), (22100, 89000), (22250, 88400), (23140, 85000), (24208, 81250), (25000, 78676), (26000, 75650), (27625, 71200), (28925, 68000), (30260, 65000), (32500, 60520), (34000, 57850), (35360, 55625), (35600, 55250), (37024, 53125), (37825, 52000), (39338, 50000), (40625, 48416), (42500, 46280), (44200, 44500)]