400806812

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{1667}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 830957568

約数和(自身を除く): 430150756

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 277, 434, 554, 868, 1108, 1667, 1939, 3334, 3878, 6668, 7756, 8587, 11669, 17174, 23338, 34348, 46676, 51677, 60109, 103354, 120218, 206708, 240436, 361739, 461759, 723478, 923518, 1446956, 1847036, 3232313, 6464626, 12929252, 14314529, 28629058, 57258116, 100201703, 200403406, 400806812]

約数ペア:

[(1, 400806812), (2, 200403406), (4, 100201703), (7, 57258116), (14, 28629058), (28, 14314529), (31, 12929252), (62, 6464626), (124, 3232313), (217, 1847036), (277, 1446956), (434, 923518), (554, 723478), (868, 461759), (1108, 361739), (1667, 240436), (1939, 206708), (3334, 120218), (3878, 103354), (6668, 60109), (7756, 51677), (8587, 46676), (11669, 34348), (17174, 23338)]