78745580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1334

約数の個数: 48

約数和(自身を含む): 172440576

約数和(自身を除く): 93694996

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 620, 1070, 1187, 2140, 2374, 3317, 4748, 5935, 6634, 11870, 13268, 16585, 23740, 33170, 36797, 66340, 73594, 127009, 147188, 183985, 254018, 367970, 508036, 635045, 735940, 1270090, 2540180, 3937279, 7874558, 15749116, 19686395, 39372790, 78745580]

約数ペア:

[(1, 78745580), (2, 39372790), (4, 19686395), (5, 15749116), (10, 7874558), (20, 3937279), (31, 2540180), (62, 1270090), (107, 735940), (124, 635045), (155, 508036), (214, 367970), (310, 254018), (428, 183985), (535, 147188), (620, 127009), (1070, 73594), (1187, 66340), (2140, 36797), (2374, 33170), (3317, 23740), (4748, 16585), (5935, 13268), (6634, 11870)]