204536380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{5531}}^1$

素因数の和:5626

約数の個数: 36

約数和(自身を含む): 439827192

約数和(自身を除く): 235290812

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3698, 5531, 7396, 9245, 11062, 18490, 22124, 27655, 36980, 55310, 110620, 237833, 475666, 951332, 1189165, 2378330, 4756660, 10226819, 20453638, 40907276, 51134095, 102268190, 204536380]

約数ペア:

[(1, 204536380), (2, 102268190), (4, 51134095), (5, 40907276), (10, 20453638), (20, 10226819), (43, 4756660), (86, 2378330), (172, 1189165), (215, 951332), (430, 475666), (860, 237833), (1849, 110620), (3698, 55310), (5531, 36980), (7396, 27655), (9245, 22124), (11062, 18490)]