201357260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{2879}}^1$

素因数の和:3170

約数の個数: 48

約数和(自身を含む): 457228800

約数和(自身を除く): 255871540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 2690, 2879, 3497, 5380, 5758, 6994, 11516, 13988, 14395, 17485, 28790, 34970, 37427, 57580, 69940, 74854, 149708, 187135, 374270, 748540, 774451, 1548902, 3097804, 3872255, 7744510, 10067863, 15489020, 20135726, 40271452, 50339315, 100678630, 201357260]

約数ペア:

[(1, 201357260), (2, 100678630), (4, 50339315), (5, 40271452), (10, 20135726), (13, 15489020), (20, 10067863), (26, 7744510), (52, 3872255), (65, 3097804), (130, 1548902), (260, 774451), (269, 748540), (538, 374270), (1076, 187135), (1345, 149708), (2690, 74854), (2879, 69940), (3497, 57580), (5380, 37427), (5758, 34970), (6994, 28790), (11516, 17485), (13988, 14395)]