802621580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{1871}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 1712430720

約数和(自身を除く): 909809140

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 241, 356, 445, 482, 890, 964, 1205, 1780, 1871, 2410, 3742, 4820, 7484, 9355, 18710, 21449, 37420, 42898, 85796, 107245, 166519, 214490, 333038, 428980, 450911, 666076, 832595, 901822, 1665190, 1803644, 2254555, 3330380, 4509110, 9018220, 40131079, 80262158, 160524316, 200655395, 401310790, 802621580]

約数ペア:

[(1, 802621580), (2, 401310790), (4, 200655395), (5, 160524316), (10, 80262158), (20, 40131079), (89, 9018220), (178, 4509110), (241, 3330380), (356, 2254555), (445, 1803644), (482, 1665190), (890, 901822), (964, 832595), (1205, 666076), (1780, 450911), (1871, 428980), (2410, 333038), (3742, 214490), (4820, 166519), (7484, 107245), (9355, 85796), (18710, 42898), (21449, 37420)]