289142780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{198043}}^1$

素因数の和:198125

約数の個数: 24

約数和(自身を含む): 615520752

約数和(自身を除く): 326377972

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 198043, 396086, 792172, 990215, 1980430, 3960860, 14457139, 28914278, 57828556, 72285695, 144571390, 289142780]

約数ペア:

[(1, 289142780), (2, 144571390), (4, 72285695), (5, 57828556), (10, 28914278), (20, 14457139), (73, 3960860), (146, 1980430), (292, 990215), (365, 792172), (730, 396086), (1460, 198043)]