200147980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{91811}}^1$

素因数の和:91929

約数の個数: 24

約数和(自身を含む): 424171440

約数和(自身を除く): 224023460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 91811, 183622, 367244, 459055, 918110, 1836220, 10007399, 20014798, 40029596, 50036995, 100073990, 200147980]

約数ペア:

[(1, 200147980), (2, 100073990), (4, 50036995), (5, 40029596), (10, 20014798), (20, 10007399), (109, 1836220), (218, 918110), (436, 459055), (545, 367244), (1090, 183622), (2180, 91811)]