129379750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 253528704

約数和(自身を除く): 124148954

約数列:

[1, 2, 5, 10, 25, 37, 50, 71, 74, 125, 142, 185, 197, 250, 355, 370, 394, 710, 925, 985, 1775, 1850, 1970, 2627, 3550, 4625, 4925, 5254, 7289, 8875, 9250, 9850, 13135, 13987, 14578, 17750, 24625, 26270, 27974, 36445, 49250, 65675, 69935, 72890, 131350, 139870, 182225, 328375, 349675, 364450, 517519, 656750, 699350, 911125, 1035038, 1748375, 1822250, 2587595, 3496750, 5175190, 12937975, 25875950, 64689875, 129379750]

約数ペア:

[(1, 129379750), (2, 64689875), (5, 25875950), (10, 12937975), (25, 5175190), (37, 3496750), (50, 2587595), (71, 1822250), (74, 1748375), (125, 1035038), (142, 911125), (185, 699350), (197, 656750), (250, 517519), (355, 364450), (370, 349675), (394, 328375), (710, 182225), (925, 139870), (985, 131350), (1775, 72890), (1850, 69935), (1970, 65675), (2627, 49250), (3550, 36445), (4625, 27974), (4925, 26270), (5254, 24625), (7289, 17750), (8875, 14578), (9250, 13987), (9850, 13135)]