2137182020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1\times {\mathrm{2939}}^1$

素因数の和:3404

約数の個数: 48

約数和(自身を含む): 4546039680

約数和(自身を除く): 2408857660

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 353, 412, 515, 706, 1030, 1412, 1765, 2060, 2939, 3530, 5878, 7060, 11756, 14695, 29390, 36359, 58780, 72718, 145436, 181795, 302717, 363590, 605434, 727180, 1037467, 1210868, 1513585, 2074934, 3027170, 4149868, 5187335, 6054340, 10374670, 20749340, 106859101, 213718202, 427436404, 534295505, 1068591010, 2137182020]

約数ペア:

[(1, 2137182020), (2, 1068591010), (4, 534295505), (5, 427436404), (10, 213718202), (20, 106859101), (103, 20749340), (206, 10374670), (353, 6054340), (412, 5187335), (515, 4149868), (706, 3027170), (1030, 2074934), (1412, 1513585), (1765, 1210868), (2060, 1037467), (2939, 727180), (3530, 605434), (5878, 363590), (7060, 302717), (11756, 181795), (14695, 145436), (29390, 72718), (36359, 58780)]