109309480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{390391}}^1$

素因数の和:390409

約数の個数: 32

約数和(自身を含む): 281082240

約数和(自身を除く): 171772760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 390391, 780782, 1561564, 1951955, 2732737, 3123128, 3903910, 5465474, 7807820, 10930948, 13663685, 15615640, 21861896, 27327370, 54654740, 109309480]

約数ペア:

[(1, 109309480), (2, 54654740), (4, 27327370), (5, 21861896), (7, 15615640), (8, 13663685), (10, 10930948), (14, 7807820), (20, 5465474), (28, 3903910), (35, 3123128), (40, 2732737), (56, 1951955), (70, 1561564), (140, 780782), (280, 390391)]