1399855840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{282229}}^1$

素因数の和:282275

約数の個数: 48

約数和(自身を含む): 3413854080

約数和(自身を除く): 2013998240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 282229, 564458, 1128916, 1411145, 2257832, 2822290, 4515664, 5644580, 8749099, 9031328, 11289160, 17498198, 22578320, 34996396, 43745495, 45156640, 69992792, 87490990, 139985584, 174981980, 279971168, 349963960, 699927920, 1399855840]

約数ペア:

[(1, 1399855840), (2, 699927920), (4, 349963960), (5, 279971168), (8, 174981980), (10, 139985584), (16, 87490990), (20, 69992792), (31, 45156640), (32, 43745495), (40, 34996396), (62, 22578320), (80, 17498198), (124, 11289160), (155, 9031328), (160, 8749099), (248, 5644580), (310, 4515664), (496, 2822290), (620, 2257832), (992, 1411145), (1240, 1128916), (2480, 564458), (4960, 282229)]