409206280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1461451}}^1$

素因数の和:1461469

約数の個数: 32

約数和(自身を含む): 1052245440

約数和(自身を除く): 643039160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1461451, 2922902, 5845804, 7307255, 10230157, 11691608, 14614510, 20460314, 29229020, 40920628, 51150785, 58458040, 81841256, 102301570, 204603140, 409206280]

約数ペア:

[(1, 409206280), (2, 204603140), (4, 102301570), (5, 81841256), (7, 58458040), (8, 51150785), (10, 40920628), (14, 29229020), (20, 20460314), (28, 14614510), (35, 11691608), (40, 10230157), (56, 7307255), (70, 5845804), (140, 2922902), (280, 1461451)]