89019940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{739}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 197668800

約数和(自身を除く): 108648860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 317, 380, 634, 739, 1268, 1478, 1585, 2956, 3170, 3695, 6023, 6340, 7390, 12046, 14041, 14780, 24092, 28082, 30115, 56164, 60230, 70205, 120460, 140410, 234263, 280820, 468526, 937052, 1171315, 2342630, 4450997, 4685260, 8901994, 17803988, 22254985, 44509970, 89019940]

約数ペア:

[(1, 89019940), (2, 44509970), (4, 22254985), (5, 17803988), (10, 8901994), (19, 4685260), (20, 4450997), (38, 2342630), (76, 1171315), (95, 937052), (190, 468526), (317, 280820), (380, 234263), (634, 140410), (739, 120460), (1268, 70205), (1478, 60230), (1585, 56164), (2956, 30115), (3170, 28082), (3695, 24092), (6023, 14780), (6340, 14041), (7390, 12046)]