82810000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{13}}^2$

素因数の和:68

約数の個数: 225

約数和(自身を含む): 252544941

約数和(自身を除く): 169734941

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 125, 130, 140, 169, 175, 182, 196, 200, 208, 245, 250, 260, 280, 325, 338, 350, 364, 392, 400, 455, 490, 500, 520, 560, 625, 637, 650, 676, 700, 728, 784, 845, 875, 910, 980, 1000, 1040, 1183, 1225, 1250, 1274, 1300, 1352, 1400, 1456, 1625, 1690, 1750, 1820, 1960, 2000, 2275, 2366, 2450, 2500, 2548, 2600, 2704, 2800, 3185, 3250, 3380, 3500, 3640, 3920, 4225, 4375, 4550, 4732, 4900, 5000, 5096, 5200, 5915, 6125, 6370, 6500, 6760, 7000, 7280, 8125, 8281, 8450, 8750, 9100, 9464, 9800, 10000, 10192, 11375, 11830, 12250, 12740, 13000, 13520, 14000, 15925, 16250, 16562, 16900, 17500, 18200, 18928, 19600, 21125, 22750, 23660, 24500, 25480, 26000, 29575, 30625, 31850, 32500, 33124, 33800, 35000, 36400, 41405, 42250, 45500, 47320, 49000, 50960, 56875, 59150, 61250, 63700, 65000, 66248, 67600, 70000, 79625, 82810, 84500, 91000, 94640, 98000, 105625, 113750, 118300, 122500, 127400, 130000, 132496, 147875, 159250, 165620, 169000, 182000, 207025, 211250, 227500, 236600, 245000, 254800, 295750, 318500, 331240, 338000, 398125, 414050, 422500, 455000, 473200, 490000, 591500, 637000, 662480, 739375, 796250, 828100, 845000, 910000, 1035125, 1183000, 1274000, 1478750, 1592500, 1656200, 1690000, 2070250, 2366000, 2957500, 3185000, 3312400, 4140500, 5175625, 5915000, 6370000, 8281000, 10351250, 11830000, 16562000, 20702500, 41405000, 82810000]

約数ペア:

[(1, 82810000), (2, 41405000), (4, 20702500), (5, 16562000), (7, 11830000), (8, 10351250), (10, 8281000), (13, 6370000), (14, 5915000), (16, 5175625), (20, 4140500), (25, 3312400), (26, 3185000), (28, 2957500), (35, 2366000), (40, 2070250), (49, 1690000), (50, 1656200), (52, 1592500), (56, 1478750), (65, 1274000), (70, 1183000), (80, 1035125), (91, 910000), (98, 845000), (100, 828100), (104, 796250), (112, 739375), (125, 662480), (130, 637000), (140, 591500), (169, 490000), (175, 473200), (182, 455000), (196, 422500), (200, 414050), (208, 398125), (245, 338000), (250, 331240), (260, 318500), (280, 295750), (325, 254800), (338, 245000), (350, 236600), (364, 227500), (392, 211250), (400, 207025), (455, 182000), (490, 169000), (500, 165620), (520, 159250), (560, 147875), (625, 132496), (637, 130000), (650, 127400), (676, 122500), (700, 118300), (728, 113750), (784, 105625), (845, 98000), (875, 94640), (910, 91000), (980, 84500), (1000, 82810), (1040, 79625), (1183, 70000), (1225, 67600), (1250, 66248), (1274, 65000), (1300, 63700), (1352, 61250), (1400, 59150), (1456, 56875), (1625, 50960), (1690, 49000), (1750, 47320), (1820, 45500), (1960, 42250), (2000, 41405), (2275, 36400), (2366, 35000), (2450, 33800), (2500, 33124), (2548, 32500), (2600, 31850), (2704, 30625), (2800, 29575), (3185, 26000), (3250, 25480), (3380, 24500), (3500, 23660), (3640, 22750), (3920, 21125), (4225, 19600), (4375, 18928), (4550, 18200), (4732, 17500), (4900, 16900), (5000, 16562), (5096, 16250), (5200, 15925), (5915, 14000), (6125, 13520), (6370, 13000), (6500, 12740), (6760, 12250), (7000, 11830), (7280, 11375), (8125, 10192), (8281, 10000), (8450, 9800), (8750, 9464)]