90412780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 194574240

約数和(自身を除く): 104161460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 193, 236, 295, 386, 397, 590, 772, 794, 965, 1180, 1588, 1930, 1985, 3860, 3970, 7940, 11387, 22774, 23423, 45548, 46846, 56935, 76621, 93692, 113870, 117115, 153242, 227740, 234230, 306484, 383105, 468460, 766210, 1532420, 4520639, 9041278, 18082556, 22603195, 45206390, 90412780]

約数ペア:

[(1, 90412780), (2, 45206390), (4, 22603195), (5, 18082556), (10, 9041278), (20, 4520639), (59, 1532420), (118, 766210), (193, 468460), (236, 383105), (295, 306484), (386, 234230), (397, 227740), (590, 153242), (772, 117115), (794, 113870), (965, 93692), (1180, 76621), (1588, 56935), (1930, 46846), (1985, 45548), (3860, 23423), (3970, 22774), (7940, 11387)]