30481780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217727}}^1$

素因数の和:217743

約数の個数: 24

約数和(自身を含む): 73156608

約数和(自身を除く): 42674828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217727, 435454, 870908, 1088635, 1524089, 2177270, 3048178, 4354540, 6096356, 7620445, 15240890, 30481780]

約数ペア:

[(1, 30481780), (2, 15240890), (4, 7620445), (5, 6096356), (7, 4354540), (10, 3048178), (14, 2177270), (20, 1524089), (28, 1088635), (35, 870908), (70, 435454), (140, 217727)]