20187780250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{386369}}^1$

素因数の和:386416

約数の個数: 64

約数和(自身を含む): 43397078400

約数和(自身を除く): 23209298150

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 418, 475, 550, 950, 1045, 1375, 2090, 2375, 2750, 4750, 5225, 10450, 26125, 52250, 386369, 772738, 1931845, 3863690, 4250059, 7341011, 8500118, 9659225, 14682022, 19318450, 21250295, 36705055, 42500590, 48296125, 73410110, 80751121, 96592250, 106251475, 161502242, 183525275, 212502950, 367050550, 403755605, 531257375, 807511210, 917626375, 1062514750, 1835252750, 2018778025, 4037556050, 10093890125, 20187780250]

約数ペア:

[(1, 20187780250), (2, 10093890125), (5, 4037556050), (10, 2018778025), (11, 1835252750), (19, 1062514750), (22, 917626375), (25, 807511210), (38, 531257375), (50, 403755605), (55, 367050550), (95, 212502950), (110, 183525275), (125, 161502242), (190, 106251475), (209, 96592250), (250, 80751121), (275, 73410110), (418, 48296125), (475, 42500590), (550, 36705055), (950, 21250295), (1045, 19318450), (1375, 14682022), (2090, 9659225), (2375, 8500118), (2750, 7341011), (4750, 4250059), (5225, 3863690), (10450, 1931845), (26125, 772738), (52250, 386369)]