853669240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{2251}}^1$

素因数の和:2780

約数の個数: 64

約数和(自身を含む): 2026800000

約数和(自身を除く): 1173130760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 499, 760, 998, 1996, 2251, 2495, 3992, 4502, 4990, 9004, 9481, 9980, 11255, 18008, 18962, 19960, 22510, 37924, 42769, 45020, 47405, 75848, 85538, 90040, 94810, 171076, 189620, 213845, 342152, 379240, 427690, 855380, 1123249, 1710760, 2246498, 4492996, 5616245, 8985992, 11232490, 21341731, 22464980, 42683462, 44929960, 85366924, 106708655, 170733848, 213417310, 426834620, 853669240]

約数ペア:

[(1, 853669240), (2, 426834620), (4, 213417310), (5, 170733848), (8, 106708655), (10, 85366924), (19, 44929960), (20, 42683462), (38, 22464980), (40, 21341731), (76, 11232490), (95, 8985992), (152, 5616245), (190, 4492996), (380, 2246498), (499, 1710760), (760, 1123249), (998, 855380), (1996, 427690), (2251, 379240), (2495, 342152), (3992, 213845), (4502, 189620), (4990, 171076), (9004, 94810), (9481, 90040), (9980, 85538), (11255, 75848), (18008, 47405), (18962, 45020), (19960, 42769), (22510, 37924)]