142799660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419999}}^1$

素因数の和:420025

約数の個数: 24

約数和(自身を含む): 317520000

約数和(自身を除く): 174720340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 419999, 839998, 1679996, 2099995, 4199990, 7139983, 8399980, 14279966, 28559932, 35699915, 71399830, 142799660]

約数ペア:

[(1, 142799660), (2, 71399830), (4, 35699915), (5, 28559932), (10, 14279966), (17, 8399980), (20, 7139983), (34, 4199990), (68, 2099995), (85, 1679996), (170, 839998), (340, 419999)]