30702860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1879}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 69484800

約数和(自身を除く): 38781940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 1879, 3268, 3758, 4085, 7516, 8170, 9395, 16340, 18790, 35701, 37580, 71402, 80797, 142804, 161594, 178505, 323188, 357010, 403985, 714020, 807970, 1535143, 1615940, 3070286, 6140572, 7675715, 15351430, 30702860]

約数ペア:

[(1, 30702860), (2, 15351430), (4, 7675715), (5, 6140572), (10, 3070286), (19, 1615940), (20, 1535143), (38, 807970), (43, 714020), (76, 403985), (86, 357010), (95, 323188), (172, 178505), (190, 161594), (215, 142804), (380, 80797), (430, 71402), (817, 37580), (860, 35701), (1634, 18790), (1879, 16340), (3268, 9395), (3758, 8170), (4085, 7516)]