30807460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21101}}^1$

素因数の和:21183

約数の個数: 24

約数和(自身を含む): 65585016

約数和(自身を除く): 34777556

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 21101, 42202, 84404, 105505, 211010, 422020, 1540373, 3080746, 6161492, 7701865, 15403730, 30807460]

約数ペア:

[(1, 30807460), (2, 15403730), (4, 7701865), (5, 6161492), (10, 3080746), (20, 1540373), (73, 422020), (146, 211010), (292, 105505), (365, 84404), (730, 42202), (1460, 21101)]