1377380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 2942520

約数和(自身を除く): 1565140

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1129, 1220, 2258, 4516, 5645, 11290, 22580, 68869, 137738, 275476, 344345, 688690, 1377380]

約数ペア:

[(1, 1377380), (2, 688690), (4, 344345), (5, 275476), (10, 137738), (20, 68869), (61, 22580), (122, 11290), (244, 5645), (305, 4516), (610, 2258), (1129, 1220)]