7428890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{15161}}^1$

素因数の和:15182

約数の個数: 24

約数和(自身を含む): 15556212

約数和(自身を除く): 8127322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 15161, 30322, 75805, 106127, 151610, 212254, 530635, 742889, 1061270, 1485778, 3714445, 7428890]

約数ペア:

[(1, 7428890), (2, 3714445), (5, 1485778), (7, 1061270), (10, 742889), (14, 530635), (35, 212254), (49, 151610), (70, 106127), (98, 75805), (245, 30322), (490, 15161)]