207142760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{470779}}^1$

素因数の和:470801

約数の個数: 32

約数和(自身を含む): 508442400

約数和(自身を除く): 301299640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 470779, 941558, 1883116, 2353895, 3766232, 4707790, 5178569, 9415580, 10357138, 18831160, 20714276, 25892845, 41428552, 51785690, 103571380, 207142760]

約数ペア:

[(1, 207142760), (2, 103571380), (4, 51785690), (5, 41428552), (8, 25892845), (10, 20714276), (11, 18831160), (20, 10357138), (22, 9415580), (40, 5178569), (44, 4707790), (55, 3766232), (88, 2353895), (110, 1883116), (220, 941558), (440, 470779)]