219047620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{2713}}^1$

素因数の和:3100

約数の個数: 48

約数和(自身を含む): 503371008

約数和(自身を除く): 284323388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 367, 734, 1468, 1835, 2713, 3670, 4037, 5426, 7340, 8074, 10852, 13565, 16148, 20185, 27130, 29843, 40370, 54260, 59686, 80740, 119372, 149215, 298430, 596860, 995671, 1991342, 3982684, 4978355, 9956710, 10952381, 19913420, 21904762, 43809524, 54761905, 109523810, 219047620]

約数ペア:

[(1, 219047620), (2, 109523810), (4, 54761905), (5, 43809524), (10, 21904762), (11, 19913420), (20, 10952381), (22, 9956710), (44, 4978355), (55, 3982684), (110, 1991342), (220, 995671), (367, 596860), (734, 298430), (1468, 149215), (1835, 119372), (2713, 80740), (3670, 59686), (4037, 54260), (5426, 40370), (7340, 29843), (8074, 27130), (10852, 20185), (13565, 16148)]