1992620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 4908288

約数和(自身を除く): 2915668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 331, 430, 602, 662, 860, 1204, 1324, 1505, 1655, 2317, 3010, 3310, 4634, 6020, 6620, 9268, 11585, 14233, 23170, 28466, 46340, 56932, 71165, 99631, 142330, 199262, 284660, 398524, 498155, 996310, 1992620]

約数ペア:

[(1, 1992620), (2, 996310), (4, 498155), (5, 398524), (7, 284660), (10, 199262), (14, 142330), (20, 99631), (28, 71165), (35, 56932), (43, 46340), (70, 28466), (86, 23170), (140, 14233), (172, 11585), (215, 9268), (301, 6620), (331, 6020), (430, 4634), (602, 3310), (662, 3010), (860, 2317), (1204, 1655), (1324, 1505)]