9128980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 22087296

約数和(自身を除く): 12958316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 331, 394, 662, 788, 985, 1324, 1379, 1655, 1970, 2317, 2758, 3310, 3940, 4634, 5516, 6620, 6895, 9268, 11585, 13790, 23170, 27580, 46340, 65207, 130414, 260828, 326035, 456449, 652070, 912898, 1304140, 1825796, 2282245, 4564490, 9128980]

約数ペア:

[(1, 9128980), (2, 4564490), (4, 2282245), (5, 1825796), (7, 1304140), (10, 912898), (14, 652070), (20, 456449), (28, 326035), (35, 260828), (70, 130414), (140, 65207), (197, 46340), (331, 27580), (394, 23170), (662, 13790), (788, 11585), (985, 9268), (1324, 6895), (1379, 6620), (1655, 5516), (1970, 4634), (2317, 3940), (2758, 3310)]