220570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 476928

約数和(自身を除く): 256358

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 137, 161, 230, 274, 322, 685, 805, 959, 1370, 1610, 1918, 3151, 4795, 6302, 9590, 15755, 22057, 31510, 44114, 110285, 220570]

約数ペア:

[(1, 220570), (2, 110285), (5, 44114), (7, 31510), (10, 22057), (14, 15755), (23, 9590), (35, 6302), (46, 4795), (70, 3151), (115, 1918), (137, 1610), (161, 1370), (230, 959), (274, 805), (322, 685)]