123790456

素因数分解:

$2^3\times {\mathrm{37}}^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 243129600

約数和(自身を除く): 119339144

約数列:

[1, 2, 4, 8, 37, 74, 89, 127, 148, 178, 254, 296, 356, 508, 712, 1016, 1369, 2738, 3293, 4699, 5476, 6586, 9398, 10952, 11303, 13172, 18796, 22606, 26344, 37592, 45212, 90424, 121841, 173863, 243682, 347726, 418211, 487364, 695452, 836422, 974728, 1390904, 1672844, 3345688, 15473807, 30947614, 61895228, 123790456]

約数ペア:

[(1, 123790456), (2, 61895228), (4, 30947614), (8, 15473807), (37, 3345688), (74, 1672844), (89, 1390904), (127, 974728), (148, 836422), (178, 695452), (254, 487364), (296, 418211), (356, 347726), (508, 243682), (712, 173863), (1016, 121841), (1369, 90424), (2738, 45212), (3293, 37592), (4699, 26344), (5476, 22606), (6586, 18796), (9398, 13172), (10952, 11303)]