12478250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 25608960

約数和(自身を除く): 13130710

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 71, 74, 95, 125, 142, 185, 190, 250, 355, 370, 475, 703, 710, 925, 950, 1349, 1406, 1775, 1850, 2375, 2627, 2698, 3515, 3550, 4625, 4750, 5254, 6745, 7030, 8875, 9250, 13135, 13490, 17575, 17750, 26270, 33725, 35150, 49913, 65675, 67450, 87875, 99826, 131350, 168625, 175750, 249565, 328375, 337250, 499130, 656750, 1247825, 2495650, 6239125, 12478250]

約数ペア:

[(1, 12478250), (2, 6239125), (5, 2495650), (10, 1247825), (19, 656750), (25, 499130), (37, 337250), (38, 328375), (50, 249565), (71, 175750), (74, 168625), (95, 131350), (125, 99826), (142, 87875), (185, 67450), (190, 65675), (250, 49913), (355, 35150), (370, 33725), (475, 26270), (703, 17750), (710, 17575), (925, 13490), (950, 13135), (1349, 9250), (1406, 8875), (1775, 7030), (1850, 6745), (2375, 5254), (2627, 4750), (2698, 4625), (3515, 3550)]