890293670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{19477}}^1$

素因数の和:20144

約数の個数: 32

約数和(自身を含む): 1834360128

約数和(自身を除く): 944066458

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 653, 1306, 3265, 4571, 6530, 9142, 19477, 22855, 38954, 45710, 97385, 136339, 194770, 272678, 681695, 1363390, 12718481, 25436962, 63592405, 89029367, 127184810, 178058734, 445146835, 890293670]

約数ペア:

[(1, 890293670), (2, 445146835), (5, 178058734), (7, 127184810), (10, 89029367), (14, 63592405), (35, 25436962), (70, 12718481), (653, 1363390), (1306, 681695), (3265, 272678), (4571, 194770), (6530, 136339), (9142, 97385), (19477, 45710), (22855, 38954)]