1251619420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2018741}}^1$

素因数の和:2018781

約数の個数: 24

約数和(自身を含む): 2713189248

約数和(自身を除く): 1461569828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2018741, 4037482, 8074964, 10093705, 20187410, 40374820, 62580971, 125161942, 250323884, 312904855, 625809710, 1251619420]

約数ペア:

[(1, 1251619420), (2, 625809710), (4, 312904855), (5, 250323884), (10, 125161942), (20, 62580971), (31, 40374820), (62, 20187410), (124, 10093705), (155, 8074964), (310, 4037482), (620, 2018741)]