69843820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205423}}^1$

素因数の和:205449

約数の個数: 24

約数和(自身を含む): 155300544

約数和(自身を除く): 85456724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 205423, 410846, 821692, 1027115, 2054230, 3492191, 4108460, 6984382, 13968764, 17460955, 34921910, 69843820]

約数ペア:

[(1, 69843820), (2, 34921910), (4, 17460955), (5, 13968764), (10, 6984382), (17, 4108460), (20, 3492191), (34, 2054230), (68, 1027115), (85, 821692), (170, 410846), (340, 205423)]