521303020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3723593}}^1$

素因数の和:3723609

約数の個数: 24

約数和(自身を含む): 1251127584

約数和(自身を除く): 729824564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3723593, 7447186, 14894372, 18617965, 26065151, 37235930, 52130302, 74471860, 104260604, 130325755, 260651510, 521303020]

約数ペア:

[(1, 521303020), (2, 260651510), (4, 130325755), (5, 104260604), (7, 74471860), (10, 52130302), (14, 37235930), (20, 26065151), (28, 18617965), (35, 14894372), (70, 7447186), (140, 3723593)]