131729360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{235231}}^1$

素因数の和:235251

約数の個数: 40

約数和(自身を含む): 350025216

約数和(自身を除く): 218295856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 235231, 470462, 940924, 1176155, 1646617, 1881848, 2352310, 3293234, 3763696, 4704620, 6586468, 8233085, 9409240, 13172936, 16466170, 18818480, 26345872, 32932340, 65864680, 131729360]

約数ペア:

[(1, 131729360), (2, 65864680), (4, 32932340), (5, 26345872), (7, 18818480), (8, 16466170), (10, 13172936), (14, 9409240), (16, 8233085), (20, 6586468), (28, 4704620), (35, 3763696), (40, 3293234), (56, 2352310), (70, 1881848), (80, 1646617), (112, 1176155), (140, 940924), (280, 470462), (560, 235231)]