1989340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5851}}^1$

素因数の和:5877

約数の個数: 24

約数和(自身を含む): 4424112

約数和(自身を除く): 2434772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5851, 11702, 23404, 29255, 58510, 99467, 117020, 198934, 397868, 497335, 994670, 1989340]

約数ペア:

[(1, 1989340), (2, 994670), (4, 497335), (5, 397868), (10, 198934), (17, 117020), (20, 99467), (34, 58510), (68, 29255), (85, 23404), (170, 11702), (340, 5851)]