205673900

素因数分解:

$2^2\times 5^2\times {\mathrm{659}}^1\times {\mathrm{3121}}^1$

素因数の和:3794

約数の個数: 36

約数和(自身を含む): 447132840

約数和(自身を除く): 241458940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 659, 1318, 2636, 3121, 3295, 6242, 6590, 12484, 13180, 15605, 16475, 31210, 32950, 62420, 65900, 78025, 156050, 312100, 2056739, 4113478, 8226956, 10283695, 20567390, 41134780, 51418475, 102836950, 205673900]

約数ペア:

[(1, 205673900), (2, 102836950), (4, 51418475), (5, 41134780), (10, 20567390), (20, 10283695), (25, 8226956), (50, 4113478), (100, 2056739), (659, 312100), (1318, 156050), (2636, 78025), (3121, 65900), (3295, 62420), (6242, 32950), (6590, 31210), (12484, 16475), (13180, 15605)]