137558780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1747}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 300711936

約数和(自身を除く): 163153156

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 1747, 2540, 3494, 3937, 6988, 7874, 8735, 15748, 17470, 19685, 34940, 39370, 54157, 78740, 108314, 216628, 221869, 270785, 443738, 541570, 887476, 1083140, 1109345, 2218690, 4437380, 6877939, 13755878, 27511756, 34389695, 68779390, 137558780]

約数ペア:

[(1, 137558780), (2, 68779390), (4, 34389695), (5, 27511756), (10, 13755878), (20, 6877939), (31, 4437380), (62, 2218690), (124, 1109345), (127, 1083140), (155, 887476), (254, 541570), (310, 443738), (508, 270785), (620, 221869), (635, 216628), (1270, 108314), (1747, 78740), (2540, 54157), (3494, 39370), (3937, 34940), (6988, 19685), (7874, 17470), (8735, 15748)]