205513310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{4021}}^1$

素因数の和:4316

約数の個数: 32

約数和(自身を含む): 390938400

約数和(自身を除く): 185425090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 269, 538, 1345, 2690, 4021, 5111, 8042, 10222, 20105, 25555, 40210, 51110, 76399, 152798, 381995, 763990, 1081649, 2163298, 5408245, 10816490, 20551331, 41102662, 102756655, 205513310]

約数ペア:

[(1, 205513310), (2, 102756655), (5, 41102662), (10, 20551331), (19, 10816490), (38, 5408245), (95, 2163298), (190, 1081649), (269, 763990), (538, 381995), (1345, 152798), (2690, 76399), (4021, 51110), (5111, 40210), (8042, 25555), (10222, 20105)]