1620890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 24

約数和(自身を含む): 3086100

約数和(自身を除く): 1465210

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 449, 722, 898, 1805, 2245, 3610, 4490, 8531, 17062, 42655, 85310, 162089, 324178, 810445, 1620890]

約数ペア:

[(1, 1620890), (2, 810445), (5, 324178), (10, 162089), (19, 85310), (38, 42655), (95, 17062), (190, 8531), (361, 4490), (449, 3610), (722, 2245), (898, 1805)]