57115540

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 123480000

約数和(自身を除く): 66364460

約数列:

[1, 2, 4, 5, 10, 20, 59, 97, 118, 194, 236, 295, 388, 485, 499, 590, 970, 998, 1180, 1940, 1996, 2495, 4990, 5723, 9980, 11446, 22892, 28615, 29441, 48403, 57230, 58882, 96806, 114460, 117764, 147205, 193612, 242015, 294410, 484030, 588820, 968060, 2855777, 5711554, 11423108, 14278885, 28557770, 57115540]

約数ペア:

[(1, 57115540), (2, 28557770), (4, 14278885), (5, 11423108), (10, 5711554), (20, 2855777), (59, 968060), (97, 588820), (118, 484030), (194, 294410), (236, 242015), (295, 193612), (388, 147205), (485, 117764), (499, 114460), (590, 96806), (970, 58882), (998, 57230), (1180, 48403), (1940, 29441), (1996, 28615), (2495, 22892), (4990, 11446), (5723, 9980)]