12423620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 28728000

約数和(自身を除く): 16304380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 379, 596, 745, 758, 1490, 1516, 1639, 1895, 2980, 3278, 3790, 4169, 6556, 7580, 8195, 8338, 16390, 16676, 20845, 32780, 41690, 56471, 83380, 112942, 225884, 282355, 564710, 621181, 1129420, 1242362, 2484724, 3105905, 6211810, 12423620]

約数ペア:

[(1, 12423620), (2, 6211810), (4, 3105905), (5, 2484724), (10, 1242362), (11, 1129420), (20, 621181), (22, 564710), (44, 282355), (55, 225884), (110, 112942), (149, 83380), (220, 56471), (298, 41690), (379, 32780), (596, 20845), (745, 16676), (758, 16390), (1490, 8338), (1516, 8195), (1639, 7580), (1895, 6556), (2980, 4169), (3278, 3790)]