4026680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 10549440

約数和(自身を除く): 6522760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 197, 280, 292, 365, 394, 511, 584, 730, 788, 985, 1022, 1379, 1460, 1576, 1970, 2044, 2555, 2758, 2920, 3940, 4088, 5110, 5516, 6895, 7880, 10220, 11032, 13790, 14381, 20440, 27580, 28762, 55160, 57524, 71905, 100667, 115048, 143810, 201334, 287620, 402668, 503335, 575240, 805336, 1006670, 2013340, 4026680]

約数ペア:

[(1, 4026680), (2, 2013340), (4, 1006670), (5, 805336), (7, 575240), (8, 503335), (10, 402668), (14, 287620), (20, 201334), (28, 143810), (35, 115048), (40, 100667), (56, 71905), (70, 57524), (73, 55160), (140, 28762), (146, 27580), (197, 20440), (280, 14381), (292, 13790), (365, 11032), (394, 10220), (511, 7880), (584, 6895), (730, 5516), (788, 5110), (985, 4088), (1022, 3940), (1379, 2920), (1460, 2758), (1576, 2555), (1970, 2044)]