3866980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 8890560

約数和(自身を除く): 5023580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 139, 214, 260, 278, 428, 535, 556, 695, 1070, 1390, 1391, 1807, 2140, 2780, 2782, 3614, 5564, 6955, 7228, 9035, 13910, 14873, 18070, 27820, 29746, 36140, 59492, 74365, 148730, 193349, 297460, 386698, 773396, 966745, 1933490, 3866980]

約数ペア:

[(1, 3866980), (2, 1933490), (4, 966745), (5, 773396), (10, 386698), (13, 297460), (20, 193349), (26, 148730), (52, 74365), (65, 59492), (107, 36140), (130, 29746), (139, 27820), (214, 18070), (260, 14873), (278, 13910), (428, 9035), (535, 7228), (556, 6955), (695, 5564), (1070, 3614), (1390, 2782), (1391, 2780), (1807, 2140)]