2495650

素因数分解:

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

素因数の和:139

約数の個数: 48

約数和(自身を含む): 5088960

約数和(自身を除く): 2593310

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 71, 74, 95, 142, 185, 190, 355, 370, 475, 703, 710, 925, 950, 1349, 1406, 1775, 1850, 2627, 2698, 3515, 3550, 5254, 6745, 7030, 13135, 13490, 17575, 26270, 33725, 35150, 49913, 65675, 67450, 99826, 131350, 249565, 499130, 1247825, 2495650]

約数ペア:

[(1, 2495650), (2, 1247825), (5, 499130), (10, 249565), (19, 131350), (25, 99826), (37, 67450), (38, 65675), (50, 49913), (71, 35150), (74, 33725), (95, 26270), (142, 17575), (185, 13490), (190, 13135), (355, 7030), (370, 6745), (475, 5254), (703, 3550), (710, 3515), (925, 2698), (950, 2627), (1349, 1850), (1406, 1775)]