1585990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 3306240

約数和(自身を除く): 1720250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 163, 278, 326, 695, 815, 973, 1141, 1390, 1630, 1946, 2282, 4865, 5705, 9730, 11410, 22657, 45314, 113285, 158599, 226570, 317198, 792995, 1585990]

約数ペア:

[(1, 1585990), (2, 792995), (5, 317198), (7, 226570), (10, 158599), (14, 113285), (35, 45314), (70, 22657), (139, 11410), (163, 9730), (278, 5705), (326, 4865), (695, 2282), (815, 1946), (973, 1630), (1141, 1390)]