30721930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{99103}}^1$

素因数の和:99141

約数の個数: 16

約数和(自身を含む): 57083904

約数和(自身を除く): 26361974

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 99103, 198206, 495515, 991030, 3072193, 6144386, 15360965, 30721930]

約数ペア:

[(1, 30721930), (2, 15360965), (5, 6144386), (10, 3072193), (31, 991030), (62, 495515), (155, 198206), (310, 99103)]