199470820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{212203}}^1$

素因数の和:212259

約数の個数: 24

約数和(自身を含む): 427803264

約数和(自身を除く): 228332444

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 212203, 424406, 848812, 1061015, 2122030, 4244060, 9973541, 19947082, 39894164, 49867705, 99735410, 199470820]

約数ペア:

[(1, 199470820), (2, 99735410), (4, 49867705), (5, 39894164), (10, 19947082), (20, 9973541), (47, 4244060), (94, 2122030), (188, 1061015), (235, 848812), (470, 424406), (940, 212203)]