442069580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1\times {\mathrm{1109}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 979020000

約数和(自身を除く): 536950420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1049, 1109, 2098, 2218, 4196, 4436, 5245, 5545, 10490, 11090, 19931, 20980, 21071, 22180, 39862, 42142, 79724, 84284, 99655, 105355, 199310, 210710, 398620, 421420, 1163341, 2326682, 4653364, 5816705, 11633410, 22103479, 23266820, 44206958, 88413916, 110517395, 221034790, 442069580]

約数ペア:

[(1, 442069580), (2, 221034790), (4, 110517395), (5, 88413916), (10, 44206958), (19, 23266820), (20, 22103479), (38, 11633410), (76, 5816705), (95, 4653364), (190, 2326682), (380, 1163341), (1049, 421420), (1109, 398620), (2098, 210710), (2218, 199310), (4196, 105355), (4436, 99655), (5245, 84284), (5545, 79724), (10490, 42142), (11090, 39862), (19931, 22180), (20980, 21071)]