8420020910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{5309}}^1$

素因数の和:5625

約数の個数: 64

約数和(自身を含む): 17556134400

約数和(自身を除く): 9136113490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 163, 278, 326, 695, 815, 973, 1141, 1390, 1630, 1946, 2282, 4865, 5309, 5705, 9730, 10618, 11410, 22657, 26545, 37163, 45314, 53090, 74326, 113285, 158599, 185815, 226570, 317198, 371630, 737951, 792995, 865367, 1475902, 1585990, 1730734, 3689755, 4326835, 5165657, 6057569, 7379510, 8653670, 10331314, 12115138, 25828285, 30287845, 51656570, 60575690, 120286013, 240572026, 601430065, 842002091, 1202860130, 1684004182, 4210010455, 8420020910]

約数ペア:

[(1, 8420020910), (2, 4210010455), (5, 1684004182), (7, 1202860130), (10, 842002091), (14, 601430065), (35, 240572026), (70, 120286013), (139, 60575690), (163, 51656570), (278, 30287845), (326, 25828285), (695, 12115138), (815, 10331314), (973, 8653670), (1141, 7379510), (1390, 6057569), (1630, 5165657), (1946, 4326835), (2282, 3689755), (4865, 1730734), (5309, 1585990), (5705, 1475902), (9730, 865367), (10618, 792995), (11410, 737951), (22657, 371630), (26545, 317198), (37163, 226570), (45314, 185815), (53090, 158599), (74326, 113285)]