17508220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 20489348

約数列:

[1, 2, 4, 5, 10, 20, 61, 113, 122, 127, 226, 244, 254, 305, 452, 508, 565, 610, 635, 1130, 1220, 1270, 2260, 2540, 6893, 7747, 13786, 14351, 15494, 27572, 28702, 30988, 34465, 38735, 57404, 68930, 71755, 77470, 137860, 143510, 154940, 287020, 875411, 1750822, 3501644, 4377055, 8754110, 17508220]

約数ペア:

[(1, 17508220), (2, 8754110), (4, 4377055), (5, 3501644), (10, 1750822), (20, 875411), (61, 287020), (113, 154940), (122, 143510), (127, 137860), (226, 77470), (244, 71755), (254, 68930), (305, 57404), (452, 38735), (508, 34465), (565, 30988), (610, 28702), (635, 27572), (1130, 15494), (1220, 14351), (1270, 13786), (2260, 7747), (2540, 6893)]