90159350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 172355040

約数和(自身を除く): 82195690

約数列:

[1, 2, 5, 10, 25, 50, 71, 109, 142, 218, 233, 355, 466, 545, 710, 1090, 1165, 1775, 2330, 2725, 3550, 5450, 5825, 7739, 11650, 15478, 16543, 25397, 33086, 38695, 50794, 77390, 82715, 126985, 165430, 193475, 253970, 386950, 413575, 634925, 827150, 1269850, 1803187, 3606374, 9015935, 18031870, 45079675, 90159350]

約数ペア:

[(1, 90159350), (2, 45079675), (5, 18031870), (10, 9015935), (25, 3606374), (50, 1803187), (71, 1269850), (109, 827150), (142, 634925), (218, 413575), (233, 386950), (355, 253970), (466, 193475), (545, 165430), (710, 126985), (1090, 82715), (1165, 77390), (1775, 50794), (2330, 38695), (2725, 33086), (3550, 25397), (5450, 16543), (5825, 15478), (7739, 11650)]