4654760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 11664000

約数和(自身を除く): 7009240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 149, 220, 284, 298, 355, 440, 568, 596, 710, 745, 781, 1192, 1420, 1490, 1562, 1639, 2840, 2980, 3124, 3278, 3905, 5960, 6248, 6556, 7810, 8195, 10579, 13112, 15620, 16390, 21158, 31240, 32780, 42316, 52895, 65560, 84632, 105790, 116369, 211580, 232738, 423160, 465476, 581845, 930952, 1163690, 2327380, 4654760]

約数ペア:

[(1, 4654760), (2, 2327380), (4, 1163690), (5, 930952), (8, 581845), (10, 465476), (11, 423160), (20, 232738), (22, 211580), (40, 116369), (44, 105790), (55, 84632), (71, 65560), (88, 52895), (110, 42316), (142, 32780), (149, 31240), (220, 21158), (284, 16390), (298, 15620), (355, 13112), (440, 10579), (568, 8195), (596, 7810), (710, 6556), (745, 6248), (781, 5960), (1192, 3905), (1420, 3278), (1490, 3124), (1562, 2980), (1639, 2840)]