39071980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 86940000

約数和(自身を除く): 47868020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 229, 380, 449, 458, 898, 916, 1145, 1796, 2245, 2290, 4351, 4490, 4580, 8531, 8702, 8980, 17062, 17404, 21755, 34124, 42655, 43510, 85310, 87020, 102821, 170620, 205642, 411284, 514105, 1028210, 1953599, 2056420, 3907198, 7814396, 9767995, 19535990, 39071980]

約数ペア:

[(1, 39071980), (2, 19535990), (4, 9767995), (5, 7814396), (10, 3907198), (19, 2056420), (20, 1953599), (38, 1028210), (76, 514105), (95, 411284), (190, 205642), (229, 170620), (380, 102821), (449, 87020), (458, 85310), (898, 43510), (916, 42655), (1145, 34124), (1796, 21755), (2245, 17404), (2290, 17062), (4351, 8980), (4490, 8702), (4580, 8531)]