1298156540

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{435623}}^1$

素因数の和:435781

約数の個数: 24

約数和(自身を含む): 2744431200

約数和(自身を除く): 1446274660

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 435623, 871246, 1742492, 2178115, 4356230, 8712460, 64907827, 129815654, 259631308, 324539135, 649078270, 1298156540]

約数ペア:

[(1, 1298156540), (2, 649078270), (4, 324539135), (5, 259631308), (10, 129815654), (20, 64907827), (149, 8712460), (298, 4356230), (596, 2178115), (745, 1742492), (1490, 871246), (2980, 435623)]