30260000

素因数分解:

$2^5\times 5^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 120

約数和(自身を含む): 79708860

約数和(自身を除く): 49448860

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 89, 100, 125, 136, 160, 170, 178, 200, 250, 272, 340, 356, 400, 425, 445, 500, 544, 625, 680, 712, 800, 850, 890, 1000, 1250, 1360, 1424, 1513, 1700, 1780, 2000, 2125, 2225, 2500, 2720, 2848, 3026, 3400, 3560, 4000, 4250, 4450, 5000, 6052, 6800, 7120, 7565, 8500, 8900, 10000, 10625, 11125, 12104, 13600, 14240, 15130, 17000, 17800, 20000, 21250, 22250, 24208, 30260, 34000, 35600, 37825, 42500, 44500, 48416, 55625, 60520, 68000, 71200, 75650, 85000, 89000, 111250, 121040, 151300, 170000, 178000, 189125, 222500, 242080, 302600, 340000, 356000, 378250, 445000, 605200, 756500, 890000, 945625, 1210400, 1513000, 1780000, 1891250, 3026000, 3782500, 6052000, 7565000, 15130000, 30260000]

約数ペア:

[(1, 30260000), (2, 15130000), (4, 7565000), (5, 6052000), (8, 3782500), (10, 3026000), (16, 1891250), (17, 1780000), (20, 1513000), (25, 1210400), (32, 945625), (34, 890000), (40, 756500), (50, 605200), (68, 445000), (80, 378250), (85, 356000), (89, 340000), (100, 302600), (125, 242080), (136, 222500), (160, 189125), (170, 178000), (178, 170000), (200, 151300), (250, 121040), (272, 111250), (340, 89000), (356, 85000), (400, 75650), (425, 71200), (445, 68000), (500, 60520), (544, 55625), (625, 48416), (680, 44500), (712, 42500), (800, 37825), (850, 35600), (890, 34000), (1000, 30260), (1250, 24208), (1360, 22250), (1424, 21250), (1513, 20000), (1700, 17800), (1780, 17000), (2000, 15130), (2125, 14240), (2225, 13600), (2500, 12104), (2720, 11125), (2848, 10625), (3026, 10000), (3400, 8900), (3560, 8500), (4000, 7565), (4250, 7120), (4450, 6800), (5000, 6052)]