201361820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{1163}}^1$

素因数の和:1970

約数の個数: 48

約数和(自身を含む): 462284928

約数和(自身を除く): 260923108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 787, 1163, 1574, 2326, 3148, 3935, 4652, 5815, 7870, 8657, 11630, 12793, 15740, 17314, 23260, 25586, 34628, 43285, 51172, 63965, 86570, 127930, 173140, 255860, 915281, 1830562, 3661124, 4576405, 9152810, 10068091, 18305620, 20136182, 40272364, 50340455, 100680910, 201361820]

約数ペア:

[(1, 201361820), (2, 100680910), (4, 50340455), (5, 40272364), (10, 20136182), (11, 18305620), (20, 10068091), (22, 9152810), (44, 4576405), (55, 3661124), (110, 1830562), (220, 915281), (787, 255860), (1163, 173140), (1574, 127930), (2326, 86570), (3148, 63965), (3935, 51172), (4652, 43285), (5815, 34628), (7870, 25586), (8657, 23260), (11630, 17314), (12793, 15740)]