31386250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 80

約数和(自身を含む): 71527104

約数和(自身を除く): 40140854

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 211, 238, 250, 350, 422, 425, 595, 625, 850, 875, 1055, 1190, 1250, 1477, 1750, 2110, 2125, 2954, 2975, 3587, 4250, 4375, 5275, 5950, 7174, 7385, 8750, 10550, 10625, 14770, 14875, 17935, 21250, 25109, 26375, 29750, 35870, 36925, 50218, 52750, 73850, 74375, 89675, 125545, 131875, 148750, 179350, 184625, 251090, 263750, 369250, 448375, 627725, 896750, 923125, 1255450, 1846250, 2241875, 3138625, 4483750, 6277250, 15693125, 31386250]

約数ペア:

[(1, 31386250), (2, 15693125), (5, 6277250), (7, 4483750), (10, 3138625), (14, 2241875), (17, 1846250), (25, 1255450), (34, 923125), (35, 896750), (50, 627725), (70, 448375), (85, 369250), (119, 263750), (125, 251090), (170, 184625), (175, 179350), (211, 148750), (238, 131875), (250, 125545), (350, 89675), (422, 74375), (425, 73850), (595, 52750), (625, 50218), (850, 36925), (875, 35870), (1055, 29750), (1190, 26375), (1250, 25109), (1477, 21250), (1750, 17935), (2110, 14875), (2125, 14770), (2954, 10625), (2975, 10550), (3587, 8750), (4250, 7385), (4375, 7174), (5275, 5950)]