9918700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 23998464

約数和(自身を除く): 14079764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 127, 142, 220, 254, 275, 284, 355, 508, 550, 635, 710, 781, 1100, 1270, 1397, 1420, 1562, 1775, 2540, 2794, 3124, 3175, 3550, 3905, 5588, 6350, 6985, 7100, 7810, 9017, 12700, 13970, 15620, 18034, 19525, 27940, 34925, 36068, 39050, 45085, 69850, 78100, 90170, 99187, 139700, 180340, 198374, 225425, 396748, 450850, 495935, 901700, 991870, 1983740, 2479675, 4959350, 9918700]

約数ペア:

[(1, 9918700), (2, 4959350), (4, 2479675), (5, 1983740), (10, 991870), (11, 901700), (20, 495935), (22, 450850), (25, 396748), (44, 225425), (50, 198374), (55, 180340), (71, 139700), (100, 99187), (110, 90170), (127, 78100), (142, 69850), (220, 45085), (254, 39050), (275, 36068), (284, 34925), (355, 27940), (508, 19525), (550, 18034), (635, 15620), (710, 13970), (781, 12700), (1100, 9017), (1270, 7810), (1397, 7100), (1420, 6985), (1562, 6350), (1775, 5588), (2540, 3905), (2794, 3550), (3124, 3175)]