2589620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 6048000

約数和(自身を除く): 3458380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 149, 158, 220, 298, 316, 395, 596, 745, 790, 869, 1490, 1580, 1639, 1738, 2980, 3278, 3476, 4345, 6556, 8195, 8690, 11771, 16390, 17380, 23542, 32780, 47084, 58855, 117710, 129481, 235420, 258962, 517924, 647405, 1294810, 2589620]

約数ペア:

[(1, 2589620), (2, 1294810), (4, 647405), (5, 517924), (10, 258962), (11, 235420), (20, 129481), (22, 117710), (44, 58855), (55, 47084), (79, 32780), (110, 23542), (149, 17380), (158, 16390), (220, 11771), (298, 8690), (316, 8195), (395, 6556), (596, 4345), (745, 3476), (790, 3278), (869, 2980), (1490, 1738), (1580, 1639)]