740390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1511}}^1$

素因数の和:1532

約数の個数: 24

約数和(自身を含む): 1551312

約数和(自身を除く): 810922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1511, 3022, 7555, 10577, 15110, 21154, 52885, 74039, 105770, 148078, 370195, 740390]

約数ペア:

[(1, 740390), (2, 370195), (5, 148078), (7, 105770), (10, 74039), (14, 52885), (35, 21154), (49, 15110), (70, 10577), (98, 7555), (245, 3022), (490, 1511)]