84919420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{249763}}^1$

素因数の和:249789

約数の個数: 24

約数和(自身を含む): 188821584

約数和(自身を除く): 103902164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 249763, 499526, 999052, 1248815, 2497630, 4245971, 4995260, 8491942, 16983884, 21229855, 42459710, 84919420]

約数ペア:

[(1, 84919420), (2, 42459710), (4, 21229855), (5, 16983884), (10, 8491942), (17, 4995260), (20, 4245971), (34, 2497630), (68, 1248815), (85, 999052), (170, 499526), (340, 249763)]