289681720

素因数分解:

$2^3\times 5^1\times {\mathrm{7242043}}^1$

素因数の和:7242054

約数の個数: 16

約数和(自身を含む): 651783960

約数和(自身を除く): 362102240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7242043, 14484086, 28968172, 36210215, 57936344, 72420430, 144840860, 289681720]

約数ペア:

[(1, 289681720), (2, 144840860), (4, 72420430), (5, 57936344), (8, 36210215), (10, 28968172), (20, 14484086), (40, 7242043)]