401788250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 797247360

約数和(自身を除く): 395459110

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 251, 337, 475, 502, 674, 950, 1255, 1685, 2375, 2510, 3370, 4750, 4769, 6275, 6403, 8425, 9538, 12550, 12806, 16850, 23845, 31375, 32015, 42125, 47690, 62750, 64030, 84250, 84587, 119225, 160075, 169174, 238450, 320150, 422935, 596125, 800375, 845870, 1192250, 1600750, 1607153, 2114675, 3214306, 4229350, 8035765, 10573375, 16071530, 21146750, 40178825, 80357650, 200894125, 401788250]

約数ペア:

[(1, 401788250), (2, 200894125), (5, 80357650), (10, 40178825), (19, 21146750), (25, 16071530), (38, 10573375), (50, 8035765), (95, 4229350), (125, 3214306), (190, 2114675), (250, 1607153), (251, 1600750), (337, 1192250), (475, 845870), (502, 800375), (674, 596125), (950, 422935), (1255, 320150), (1685, 238450), (2375, 169174), (2510, 160075), (3370, 119225), (4750, 84587), (4769, 84250), (6275, 64030), (6403, 62750), (8425, 47690), (9538, 42125), (12550, 32015), (12806, 31375), (16850, 23845)]