2327380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 3115820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 149, 220, 284, 298, 355, 596, 710, 745, 781, 1420, 1490, 1562, 1639, 2980, 3124, 3278, 3905, 6556, 7810, 8195, 10579, 15620, 16390, 21158, 32780, 42316, 52895, 105790, 116369, 211580, 232738, 465476, 581845, 1163690, 2327380]

約数ペア:

[(1, 2327380), (2, 1163690), (4, 581845), (5, 465476), (10, 232738), (11, 211580), (20, 116369), (22, 105790), (44, 52895), (55, 42316), (71, 32780), (110, 21158), (142, 16390), (149, 15620), (220, 10579), (284, 8195), (298, 7810), (355, 6556), (596, 3905), (710, 3278), (745, 3124), (781, 2980), (1420, 1639), (1490, 1562)]