71389360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127481}}^1$

素因数の和:127501

約数の個数: 40

約数和(自身を含む): 189693216

約数和(自身を除く): 118303856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127481, 254962, 509924, 637405, 892367, 1019848, 1274810, 1784734, 2039696, 2549620, 3569468, 4461835, 5099240, 7138936, 8923670, 10198480, 14277872, 17847340, 35694680, 71389360]

約数ペア:

[(1, 71389360), (2, 35694680), (4, 17847340), (5, 14277872), (7, 10198480), (8, 8923670), (10, 7138936), (14, 5099240), (16, 4461835), (20, 3569468), (28, 2549620), (35, 2039696), (40, 1784734), (56, 1274810), (70, 1019848), (80, 892367), (112, 637405), (140, 509924), (280, 254962), (560, 127481)]