259163140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{6121}}^1$

素因数の和:6232

約数の個数: 48

約数和(自身を含む): 570815280

約数和(自身を除く): 311652140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 4234, 6121, 8468, 10585, 12242, 21170, 24484, 30605, 42340, 61210, 122420, 177509, 355018, 446833, 710036, 887545, 893666, 1775090, 1787332, 2234165, 3550180, 4468330, 8936660, 12958157, 25916314, 51832628, 64790785, 129581570, 259163140]

約数ペア:

[(1, 259163140), (2, 129581570), (4, 64790785), (5, 51832628), (10, 25916314), (20, 12958157), (29, 8936660), (58, 4468330), (73, 3550180), (116, 2234165), (145, 1787332), (146, 1775090), (290, 893666), (292, 887545), (365, 710036), (580, 446833), (730, 355018), (1460, 177509), (2117, 122420), (4234, 61210), (6121, 42340), (8468, 30605), (10585, 24484), (12242, 21170)]