2219420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 5419008

約数和(自身を除く): 3199588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 191, 332, 382, 415, 581, 764, 830, 955, 1162, 1337, 1660, 1910, 2324, 2674, 2905, 3820, 5348, 5810, 6685, 11620, 13370, 15853, 26740, 31706, 63412, 79265, 110971, 158530, 221942, 317060, 443884, 554855, 1109710, 2219420]

約数ペア:

[(1, 2219420), (2, 1109710), (4, 554855), (5, 443884), (7, 317060), (10, 221942), (14, 158530), (20, 110971), (28, 79265), (35, 63412), (70, 31706), (83, 26740), (140, 15853), (166, 13370), (191, 11620), (332, 6685), (382, 5810), (415, 5348), (581, 3820), (764, 2905), (830, 2674), (955, 2324), (1162, 1910), (1337, 1660)]