389924890

素因数分解:

$2^1\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{30971}}^1$

素因数の和:32237

約数の個数: 16

約数和(自身を含む): 702444960

約数和(自身を除く): 312520070

約数列:

[1, 2, 5, 10, 1259, 2518, 6295, 12590, 30971, 61942, 154855, 309710, 38992489, 77984978, 194962445, 389924890]

約数ペア:

[(1, 389924890), (2, 194962445), (5, 77984978), (10, 38992489), (1259, 309710), (2518, 154855), (6295, 61942), (12590, 30971)]