2986260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 8491392

約数和(自身を除く): 5505132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 701, 710, 852, 1065, 1402, 1420, 2103, 2130, 2804, 3505, 4206, 4260, 7010, 8412, 10515, 14020, 21030, 42060, 49771, 99542, 149313, 199084, 248855, 298626, 497710, 597252, 746565, 995420, 1493130, 2986260]

約数ペア:

[(1, 2986260), (2, 1493130), (3, 995420), (4, 746565), (5, 597252), (6, 497710), (10, 298626), (12, 248855), (15, 199084), (20, 149313), (30, 99542), (60, 49771), (71, 42060), (142, 21030), (213, 14020), (284, 10515), (355, 8412), (426, 7010), (701, 4260), (710, 4206), (852, 3505), (1065, 2804), (1402, 2130), (1420, 2103)]