207156620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49559}}^1$

素因数の和:49598

約数の個数: 48

約数和(自身を含む): 499564800

約数和(自身を除く): 292408180

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, 49559, 99118, 198236, 247795, 495590, 545149, 941621, 991180, 1090298, 1883242, 2180596, 2725745, 3766484, 4708105, 5451490, 9416210, 10357831, 10902980, 18832420, 20715662, 41431324, 51789155, 103578310, 207156620]

約数ペア:

[(1, 207156620), (2, 103578310), (4, 51789155), (5, 41431324), (10, 20715662), (11, 18832420), (19, 10902980), (20, 10357831), (22, 9416210), (38, 5451490), (44, 4708105), (55, 3766484), (76, 2725745), (95, 2180596), (110, 1883242), (190, 1090298), (209, 991180), (220, 941621), (380, 545149), (418, 495590), (836, 247795), (1045, 198236), (2090, 99118), (4180, 49559)]