3830840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 9525600

約数和(自身を除く): 5694760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 139, 212, 260, 265, 278, 424, 520, 530, 556, 689, 695, 1060, 1112, 1378, 1390, 1807, 2120, 2756, 2780, 3445, 3614, 5512, 5560, 6890, 7228, 7367, 9035, 13780, 14456, 14734, 18070, 27560, 29468, 36140, 36835, 58936, 72280, 73670, 95771, 147340, 191542, 294680, 383084, 478855, 766168, 957710, 1915420, 3830840]

約数ペア:

[(1, 3830840), (2, 1915420), (4, 957710), (5, 766168), (8, 478855), (10, 383084), (13, 294680), (20, 191542), (26, 147340), (40, 95771), (52, 73670), (53, 72280), (65, 58936), (104, 36835), (106, 36140), (130, 29468), (139, 27560), (212, 18070), (260, 14734), (265, 14456), (278, 13780), (424, 9035), (520, 7367), (530, 7228), (556, 6890), (689, 5560), (695, 5512), (1060, 3614), (1112, 3445), (1378, 2780), (1390, 2756), (1807, 2120)]