156747220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1119623}}^1$

素因数の和:1119639

約数の個数: 24

約数和(自身を含む): 376193664

約数和(自身を除く): 219446444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1119623, 2239246, 4478492, 5598115, 7837361, 11196230, 15674722, 22392460, 31349444, 39186805, 78373610, 156747220]

約数ペア:

[(1, 156747220), (2, 78373610), (4, 39186805), (5, 31349444), (7, 22392460), (10, 15674722), (14, 11196230), (20, 7837361), (28, 5598115), (35, 4478492), (70, 2239246), (140, 1119623)]