2990240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1699}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 7711200

約数和(自身を除く): 4720960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1699, 1760, 3398, 6796, 8495, 13592, 16990, 18689, 27184, 33980, 37378, 54368, 67960, 74756, 93445, 135920, 149512, 186890, 271840, 299024, 373780, 598048, 747560, 1495120, 2990240]

約数ペア:

[(1, 2990240), (2, 1495120), (4, 747560), (5, 598048), (8, 373780), (10, 299024), (11, 271840), (16, 186890), (20, 149512), (22, 135920), (32, 93445), (40, 74756), (44, 67960), (55, 54368), (80, 37378), (88, 33980), (110, 27184), (160, 18689), (176, 16990), (220, 13592), (352, 8495), (440, 6796), (880, 3398), (1699, 1760)]