1729972420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{413869}}^1$

素因数の和:413908

約数の個数: 48

約数和(自身を含む): 4171809600

約数和(自身を除く): 2441837180

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, 413869, 827738, 1655476, 2069345, 4138690, 4552559, 7863511, 8277380, 9105118, 15727022, 18210236, 22762795, 31454044, 39317555, 45525590, 78635110, 86498621, 91051180, 157270220, 172997242, 345994484, 432493105, 864986210, 1729972420]

約数ペア:

[(1, 1729972420), (2, 864986210), (4, 432493105), (5, 345994484), (10, 172997242), (11, 157270220), (19, 91051180), (20, 86498621), (22, 78635110), (38, 45525590), (44, 39317555), (55, 31454044), (76, 22762795), (95, 18210236), (110, 15727022), (190, 9105118), (209, 8277380), (220, 7863511), (380, 4552559), (418, 4138690), (836, 2069345), (1045, 1655476), (2090, 827738), (4180, 413869)]