74213540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 159168240

約数和(自身を除く): 84954700

約数列:

[1, 2, 4, 5, 10, 20, 89, 173, 178, 241, 346, 356, 445, 482, 692, 865, 890, 964, 1205, 1730, 1780, 2410, 3460, 4820, 15397, 21449, 30794, 41693, 42898, 61588, 76985, 83386, 85796, 107245, 153970, 166772, 208465, 214490, 307940, 416930, 428980, 833860, 3710677, 7421354, 14842708, 18553385, 37106770, 74213540]

約数ペア:

[(1, 74213540), (2, 37106770), (4, 18553385), (5, 14842708), (10, 7421354), (20, 3710677), (89, 833860), (173, 428980), (178, 416930), (241, 307940), (346, 214490), (356, 208465), (445, 166772), (482, 153970), (692, 107245), (865, 85796), (890, 83386), (964, 76985), (1205, 61588), (1730, 42898), (1780, 41693), (2410, 30794), (3460, 21449), (4820, 15397)]