1378005220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1465963}}^1$

素因数の和:1466019

約数の個数: 24

約数和(自身を含む): 2955383424

約数和(自身を除く): 1577378204

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1465963, 2931926, 5863852, 7329815, 14659630, 29319260, 68900261, 137800522, 275601044, 344501305, 689002610, 1378005220]

約数ペア:

[(1, 1378005220), (2, 689002610), (4, 344501305), (5, 275601044), (10, 137800522), (20, 68900261), (47, 29319260), (94, 14659630), (188, 7329815), (235, 5863852), (470, 2931926), (940, 1465963)]