681279620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4866283}}^1$

素因数の和:4866299

約数の個数: 24

約数和(自身を含む): 1635071424

約数和(自身を除く): 953791804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4866283, 9732566, 19465132, 24331415, 34063981, 48662830, 68127962, 97325660, 136255924, 170319905, 340639810, 681279620]

約数ペア:

[(1, 681279620), (2, 340639810), (4, 170319905), (5, 136255924), (7, 97325660), (10, 68127962), (14, 48662830), (20, 34063981), (28, 24331415), (35, 19465132), (70, 9732566), (140, 4866283)]