30312220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79769}}^1$

素因数の和:79797

約数の個数: 24

約数和(自身を含む): 67006800

約数和(自身を除く): 36694580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 79769, 159538, 319076, 398845, 797690, 1515611, 1595380, 3031222, 6062444, 7578055, 15156110, 30312220]

約数ペア:

[(1, 30312220), (2, 15156110), (4, 7578055), (5, 6062444), (10, 3031222), (19, 1595380), (20, 1515611), (38, 797690), (76, 398845), (95, 319076), (190, 159538), (380, 79769)]