4207780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3449}}^1$

素因数の和:3519

約数の個数: 24

約数和(自身を含む): 8983800

約数和(自身を除く): 4776020

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3449, 6898, 13796, 17245, 34490, 68980, 210389, 420778, 841556, 1051945, 2103890, 4207780]

約数ペア:

[(1, 4207780), (2, 2103890), (4, 1051945), (5, 841556), (10, 420778), (20, 210389), (61, 68980), (122, 34490), (244, 17245), (305, 13796), (610, 6898), (1220, 3449)]