89155780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1297}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 214574976

約数和(自身を除く): 125419196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1297, 1964, 2455, 2594, 3437, 4910, 5188, 6485, 6874, 9079, 9820, 12970, 13748, 17185, 18158, 25940, 34370, 36316, 45395, 68740, 90790, 181580, 636827, 1273654, 2547308, 3184135, 4457789, 6368270, 8915578, 12736540, 17831156, 22288945, 44577890, 89155780]

約数ペア:

[(1, 89155780), (2, 44577890), (4, 22288945), (5, 17831156), (7, 12736540), (10, 8915578), (14, 6368270), (20, 4457789), (28, 3184135), (35, 2547308), (70, 1273654), (140, 636827), (491, 181580), (982, 90790), (1297, 68740), (1964, 45395), (2455, 36316), (2594, 34370), (3437, 25940), (4910, 18158), (5188, 17185), (6485, 13748), (6874, 12970), (9079, 9820)]