57817960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 133650000

約数和(自身を除く): 75832040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 109, 149, 178, 218, 298, 356, 436, 445, 545, 596, 712, 745, 872, 890, 1090, 1192, 1490, 1780, 2180, 2980, 3560, 4360, 5960, 9701, 13261, 16241, 19402, 26522, 32482, 38804, 48505, 53044, 64964, 66305, 77608, 81205, 97010, 106088, 129928, 132610, 162410, 194020, 265220, 324820, 388040, 530440, 649640, 1445449, 2890898, 5781796, 7227245, 11563592, 14454490, 28908980, 57817960]

約数ペア:

[(1, 57817960), (2, 28908980), (4, 14454490), (5, 11563592), (8, 7227245), (10, 5781796), (20, 2890898), (40, 1445449), (89, 649640), (109, 530440), (149, 388040), (178, 324820), (218, 265220), (298, 194020), (356, 162410), (436, 132610), (445, 129928), (545, 106088), (596, 97010), (712, 81205), (745, 77608), (872, 66305), (890, 64964), (1090, 53044), (1192, 48505), (1490, 38804), (1780, 32482), (2180, 26522), (2980, 19402), (3560, 16241), (4360, 13261), (5960, 9701)]