140250980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^2\times {\mathrm{661}}^1$

素因数の和:876

約数の個数: 36

約数和(自身を含む): 297864252

約数和(自身を除く): 157613272

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 661, 1030, 1322, 2060, 2644, 3305, 6610, 10609, 13220, 21218, 42436, 53045, 68083, 106090, 136166, 212180, 272332, 340415, 680830, 1361660, 7012549, 14025098, 28050196, 35062745, 70125490, 140250980]

約数ペア:

[(1, 140250980), (2, 70125490), (4, 35062745), (5, 28050196), (10, 14025098), (20, 7012549), (103, 1361660), (206, 680830), (412, 340415), (515, 272332), (661, 212180), (1030, 136166), (1322, 106090), (2060, 68083), (2644, 53045), (3305, 42436), (6610, 21218), (10609, 13220)]