1216404290

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{2309}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 2212056000

約数和(自身を除く): 995651710

約数列:

[1, 2, 5, 10, 139, 278, 379, 695, 758, 1390, 1895, 2309, 3790, 4618, 11545, 23090, 52681, 105362, 263405, 320951, 526810, 641902, 875111, 1604755, 1750222, 3209510, 4375555, 8751110, 121640429, 243280858, 608202145, 1216404290]

約数ペア:

[(1, 1216404290), (2, 608202145), (5, 243280858), (10, 121640429), (139, 8751110), (278, 4375555), (379, 3209510), (695, 1750222), (758, 1604755), (1390, 875111), (1895, 641902), (2309, 526810), (3790, 320951), (4618, 263405), (11545, 105362), (23090, 52681)]