28900740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43789}}^1$

素因数の和:43812

約数の個数: 48

約数和(自身を含む): 88280640

約数和(自身を除く): 59379900

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 43789, 87578, 131367, 175156, 218945, 262734, 437890, 481679, 525468, 656835, 875780, 963358, 1313670, 1445037, 1926716, 2408395, 2627340, 2890074, 4816790, 5780148, 7225185, 9633580, 14450370, 28900740]

約数ペア:

[(1, 28900740), (2, 14450370), (3, 9633580), (4, 7225185), (5, 5780148), (6, 4816790), (10, 2890074), (11, 2627340), (12, 2408395), (15, 1926716), (20, 1445037), (22, 1313670), (30, 963358), (33, 875780), (44, 656835), (55, 525468), (60, 481679), (66, 437890), (110, 262734), (132, 218945), (165, 175156), (220, 131367), (330, 87578), (660, 43789)]