685885668740

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{2861}}^1\times {\mathrm{10987}}^1$

素因数の和:14948

約数の個数: 48

約数和(自身を含む): 1442315294784

約数和(自身を除く): 756429626044

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 2861, 4364, 5455, 5722, 10910, 10987, 11444, 14305, 21820, 21974, 28610, 43948, 54935, 57220, 109870, 219740, 3121351, 6242702, 11986817, 12485404, 15606755, 23973634, 31213510, 31433807, 47947268, 59934085, 62427020, 62867614, 119868170, 125735228, 157169035, 239736340, 314338070, 628676140, 34294283437, 68588566874, 137177133748, 171471417185, 342942834370, 685885668740]

約数ペア:

[(1, 685885668740), (2, 342942834370), (4, 171471417185), (5, 137177133748), (10, 68588566874), (20, 34294283437), (1091, 628676140), (2182, 314338070), (2861, 239736340), (4364, 157169035), (5455, 125735228), (5722, 119868170), (10910, 62867614), (10987, 62427020), (11444, 59934085), (14305, 47947268), (21820, 31433807), (21974, 31213510), (28610, 23973634), (43948, 15606755), (54935, 12485404), (57220, 11986817), (109870, 6242702), (219740, 3121351)]