397706690

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{3823}}^1$

素因数の和:4034

約数の個数: 32

約数和(自身を含む): 730169856

約数和(自身を除く): 332463166

約数列:

[1, 2, 5, 10, 101, 103, 202, 206, 505, 515, 1010, 1030, 3823, 7646, 10403, 19115, 20806, 38230, 52015, 104030, 386123, 393769, 772246, 787538, 1930615, 1968845, 3861230, 3937690, 39770669, 79541338, 198853345, 397706690]

約数ペア:

[(1, 397706690), (2, 198853345), (5, 79541338), (10, 39770669), (101, 3937690), (103, 3861230), (202, 1968845), (206, 1930615), (505, 787538), (515, 772246), (1010, 393769), (1030, 386123), (3823, 104030), (7646, 52015), (10403, 38230), (19115, 20806)]