201501980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103867}}^1$

素因数の和:103973

約数の個数: 24

約数和(自身を含む): 427520688

約数和(自身を除く): 226018708

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 103867, 207734, 415468, 519335, 1038670, 2077340, 10075099, 20150198, 40300396, 50375495, 100750990, 201501980]

約数ペア:

[(1, 201501980), (2, 100750990), (4, 50375495), (5, 40300396), (10, 20150198), (20, 10075099), (97, 2077340), (194, 1038670), (388, 519335), (485, 415468), (970, 207734), (1940, 103867)]