217432820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{2693}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 499661568

約数和(自身を除く): 282228748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367, 734, 1468, 1835, 2693, 3670, 4037, 5386, 7340, 8074, 10772, 13465, 16148, 20185, 26930, 29623, 40370, 53860, 59246, 80740, 118492, 148115, 296230, 592460, 988331, 1976662, 3953324, 4941655, 9883310, 10871641, 19766620, 21743282, 43486564, 54358205, 108716410, 217432820]

約数ペア:

[(1, 217432820), (2, 108716410), (4, 54358205), (5, 43486564), (10, 21743282), (11, 19766620), (20, 10871641), (22, 9883310), (44, 4941655), (55, 3953324), (110, 1976662), (220, 988331), (367, 592460), (734, 296230), (1468, 148115), (1835, 118492), (2693, 80740), (3670, 59246), (4037, 53860), (5386, 40370), (7340, 29623), (8074, 26930), (10772, 20185), (13465, 16148)]