7146040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 17820000

約数和(自身を除く): 10673960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 149, 218, 220, 298, 436, 440, 545, 596, 745, 872, 1090, 1192, 1199, 1490, 1639, 2180, 2398, 2980, 3278, 4360, 4796, 5960, 5995, 6556, 8195, 9592, 11990, 13112, 16241, 16390, 23980, 32482, 32780, 47960, 64964, 65560, 81205, 129928, 162410, 178651, 324820, 357302, 649640, 714604, 893255, 1429208, 1786510, 3573020, 7146040]

約数ペア:

[(1, 7146040), (2, 3573020), (4, 1786510), (5, 1429208), (8, 893255), (10, 714604), (11, 649640), (20, 357302), (22, 324820), (40, 178651), (44, 162410), (55, 129928), (88, 81205), (109, 65560), (110, 64964), (149, 47960), (218, 32780), (220, 32482), (298, 23980), (436, 16390), (440, 16241), (545, 13112), (596, 11990), (745, 9592), (872, 8195), (1090, 6556), (1192, 5995), (1199, 5960), (1490, 4796), (1639, 4360), (2180, 3278), (2398, 2980)]