1900385590

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1\times {\mathrm{1289}}^1$

素因数の和:2064

約数の個数: 32

約数和(自身を含む): 3441204000

約数和(自身を除く): 1540818410

約数列:

[1, 2, 5, 10, 379, 389, 758, 778, 1289, 1895, 1945, 2578, 3790, 3890, 6445, 12890, 147431, 294862, 488531, 501421, 737155, 977062, 1002842, 1474310, 2442655, 2507105, 4885310, 5014210, 190038559, 380077118, 950192795, 1900385590]

約数ペア:

[(1, 1900385590), (2, 950192795), (5, 380077118), (10, 190038559), (379, 5014210), (389, 4885310), (758, 2507105), (778, 2442655), (1289, 1474310), (1895, 1002842), (1945, 977062), (2578, 737155), (3790, 501421), (3890, 488531), (6445, 294862), (12890, 147431)]