820105230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{3905263}}^1$

素因数の和:3905280

約数の個数: 32

約数和(自身を含む): 2249432064

約数和(自身を除く): 1429326834

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 3905263, 7810526, 11715789, 19526315, 23431578, 27336841, 39052630, 54673682, 58578945, 82010523, 117157890, 136684205, 164021046, 273368410, 410052615, 820105230]

約数ペア:

[(1, 820105230), (2, 410052615), (3, 273368410), (5, 164021046), (6, 136684205), (7, 117157890), (10, 82010523), (14, 58578945), (15, 54673682), (21, 39052630), (30, 27336841), (35, 23431578), (42, 19526315), (70, 11715789), (105, 7810526), (210, 3905263)]