248194420

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{20113}}^1$

素因数の和:20739

約数の個数: 24

約数和(自身を含む): 522078984

約数和(自身を除く): 273884564

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 12340, 20113, 40226, 80452, 100565, 201130, 402260, 12409721, 24819442, 49638884, 62048605, 124097210, 248194420]

約数ペア:

[(1, 248194420), (2, 124097210), (4, 62048605), (5, 49638884), (10, 24819442), (20, 12409721), (617, 402260), (1234, 201130), (2468, 100565), (3085, 80452), (6170, 40226), (12340, 20113)]