90116620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21559}}^1$

素因数の和:21598

約数の個数: 48

約数和(自身を含む): 217324800

約数和(自身を除く): 127208180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 21559, 43118, 86236, 107795, 215590, 237149, 409621, 431180, 474298, 819242, 948596, 1185745, 1638484, 2048105, 2371490, 4096210, 4505831, 4742980, 8192420, 9011662, 18023324, 22529155, 45058310, 90116620]

約数ペア:

[(1, 90116620), (2, 45058310), (4, 22529155), (5, 18023324), (10, 9011662), (11, 8192420), (19, 4742980), (20, 4505831), (22, 4096210), (38, 2371490), (44, 2048105), (55, 1638484), (76, 1185745), (95, 948596), (110, 819242), (190, 474298), (209, 431180), (220, 409621), (380, 237149), (418, 215590), (836, 107795), (1045, 86236), (2090, 43118), (4180, 21559)]