249570440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{891323}}^1$

素因数の和:891341

約数の個数: 32

約数和(自身を含む): 641753280

約数和(自身を除く): 392182840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 891323, 1782646, 3565292, 4456615, 6239261, 7130584, 8913230, 12478522, 17826460, 24957044, 31196305, 35652920, 49914088, 62392610, 124785220, 249570440]

約数ペア:

[(1, 249570440), (2, 124785220), (4, 62392610), (5, 49914088), (7, 35652920), (8, 31196305), (10, 24957044), (14, 17826460), (20, 12478522), (28, 8913230), (35, 7130584), (40, 6239261), (56, 4456615), (70, 3565292), (140, 1782646), (280, 891323)]