291299560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{677}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 679518720

約数和(自身を除く): 388219160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 347, 620, 677, 694, 1240, 1354, 1388, 1735, 2708, 2776, 3385, 3470, 5416, 6770, 6940, 10757, 13540, 13880, 20987, 21514, 27080, 41974, 43028, 53785, 83948, 86056, 104935, 107570, 167896, 209870, 215140, 234919, 419740, 430280, 469838, 839480, 939676, 1174595, 1879352, 2349190, 4698380, 7282489, 9396760, 14564978, 29129956, 36412445, 58259912, 72824890, 145649780, 291299560]

約数ペア:

[(1, 291299560), (2, 145649780), (4, 72824890), (5, 58259912), (8, 36412445), (10, 29129956), (20, 14564978), (31, 9396760), (40, 7282489), (62, 4698380), (124, 2349190), (155, 1879352), (248, 1174595), (310, 939676), (347, 839480), (620, 469838), (677, 430280), (694, 419740), (1240, 234919), (1354, 215140), (1388, 209870), (1735, 167896), (2708, 107570), (2776, 104935), (3385, 86056), (3470, 83948), (5416, 53785), (6770, 43028), (6940, 41974), (10757, 27080), (13540, 21514), (13880, 20987)]