7962500

素因数分解:

$2^2\times 5^5\times 7^2\times {\mathrm{13}}^1$

素因数の和:56

約数の個数: 108

約数和(自身を含む): 21818916

約数和(自身を除く): 13856416

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 91, 98, 100, 125, 130, 140, 175, 182, 196, 245, 250, 260, 325, 350, 364, 455, 490, 500, 625, 637, 650, 700, 875, 910, 980, 1225, 1250, 1274, 1300, 1625, 1750, 1820, 2275, 2450, 2500, 2548, 3125, 3185, 3250, 3500, 4375, 4550, 4900, 6125, 6250, 6370, 6500, 8125, 8750, 9100, 11375, 12250, 12500, 12740, 15925, 16250, 17500, 21875, 22750, 24500, 30625, 31850, 32500, 40625, 43750, 45500, 56875, 61250, 63700, 79625, 81250, 87500, 113750, 122500, 153125, 159250, 162500, 227500, 284375, 306250, 318500, 398125, 568750, 612500, 796250, 1137500, 1592500, 1990625, 3981250, 7962500]

約数ペア:

[(1, 7962500), (2, 3981250), (4, 1990625), (5, 1592500), (7, 1137500), (10, 796250), (13, 612500), (14, 568750), (20, 398125), (25, 318500), (26, 306250), (28, 284375), (35, 227500), (49, 162500), (50, 159250), (52, 153125), (65, 122500), (70, 113750), (91, 87500), (98, 81250), (100, 79625), (125, 63700), (130, 61250), (140, 56875), (175, 45500), (182, 43750), (196, 40625), (245, 32500), (250, 31850), (260, 30625), (325, 24500), (350, 22750), (364, 21875), (455, 17500), (490, 16250), (500, 15925), (625, 12740), (637, 12500), (650, 12250), (700, 11375), (875, 9100), (910, 8750), (980, 8125), (1225, 6500), (1250, 6370), (1274, 6250), (1300, 6125), (1625, 4900), (1750, 4550), (1820, 4375), (2275, 3500), (2450, 3250), (2500, 3185), (2548, 3125)]