289586620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{198347}}^1$

素因数の和:198429

約数の個数: 24

約数和(自身を含む): 616465584

約数和(自身を除く): 326878964

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 198347, 396694, 793388, 991735, 1983470, 3966940, 14479331, 28958662, 57917324, 72396655, 144793310, 289586620]

約数ペア:

[(1, 289586620), (2, 144793310), (4, 72396655), (5, 57917324), (10, 28958662), (20, 14479331), (73, 3966940), (146, 1983470), (292, 991735), (365, 793388), (730, 396694), (1460, 198347)]