28879180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1050

約数の個数: 48

約数和(自身を含む): 66679200

約数和(自身を除く): 37800020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 881, 1490, 1639, 1762, 2980, 3278, 3524, 4405, 6556, 8195, 8810, 9691, 16390, 17620, 19382, 32780, 38764, 48455, 96910, 131269, 193820, 262538, 525076, 656345, 1312690, 1443959, 2625380, 2887918, 5775836, 7219795, 14439590, 28879180]

約数ペア:

[(1, 28879180), (2, 14439590), (4, 7219795), (5, 5775836), (10, 2887918), (11, 2625380), (20, 1443959), (22, 1312690), (44, 656345), (55, 525076), (110, 262538), (149, 193820), (220, 131269), (298, 96910), (596, 48455), (745, 38764), (881, 32780), (1490, 19382), (1639, 17620), (1762, 16390), (2980, 9691), (3278, 8810), (3524, 8195), (4405, 6556)]