3999160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 10044000

約数和(自身を除く): 6044840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 149, 220, 244, 298, 305, 440, 488, 596, 610, 671, 745, 1192, 1220, 1342, 1490, 1639, 2440, 2684, 2980, 3278, 3355, 5368, 5960, 6556, 6710, 8195, 9089, 13112, 13420, 16390, 18178, 26840, 32780, 36356, 45445, 65560, 72712, 90890, 99979, 181780, 199958, 363560, 399916, 499895, 799832, 999790, 1999580, 3999160]

約数ペア:

[(1, 3999160), (2, 1999580), (4, 999790), (5, 799832), (8, 499895), (10, 399916), (11, 363560), (20, 199958), (22, 181780), (40, 99979), (44, 90890), (55, 72712), (61, 65560), (88, 45445), (110, 36356), (122, 32780), (149, 26840), (220, 18178), (244, 16390), (298, 13420), (305, 13112), (440, 9089), (488, 8195), (596, 6710), (610, 6556), (671, 5960), (745, 5368), (1192, 3355), (1220, 3278), (1342, 2980), (1490, 2684), (1639, 2440)]