140528890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{1997}}^1$

素因数の和:2262

約数の個数: 32

約数和(自身を含む): 262393344

約数和(自身を除く): 121864454

約数列:

[1, 2, 5, 10, 31, 62, 155, 227, 310, 454, 1135, 1997, 2270, 3994, 7037, 9985, 14074, 19970, 35185, 61907, 70370, 123814, 309535, 453319, 619070, 906638, 2266595, 4533190, 14052889, 28105778, 70264445, 140528890]

約数ペア:

[(1, 140528890), (2, 70264445), (5, 28105778), (10, 14052889), (31, 4533190), (62, 2266595), (155, 906638), (227, 619070), (310, 453319), (454, 309535), (1135, 123814), (1997, 70370), (2270, 61907), (3994, 35185), (7037, 19970), (9985, 14074)]