201781340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{2213}}^1$

素因数の和:2366

約数の個数: 48

約数和(自身を含む): 437415552

約数和(自身を除く): 235634212

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 388, 470, 485, 940, 970, 1940, 2213, 4426, 4559, 8852, 9118, 11065, 18236, 22130, 22795, 44260, 45590, 91180, 104011, 208022, 214661, 416044, 429322, 520055, 858644, 1040110, 1073305, 2080220, 2146610, 4293220, 10089067, 20178134, 40356268, 50445335, 100890670, 201781340]

約数ペア:

[(1, 201781340), (2, 100890670), (4, 50445335), (5, 40356268), (10, 20178134), (20, 10089067), (47, 4293220), (94, 2146610), (97, 2080220), (188, 1073305), (194, 1040110), (235, 858644), (388, 520055), (470, 429322), (485, 416044), (940, 214661), (970, 208022), (1940, 104011), (2213, 91180), (4426, 45590), (4559, 44260), (8852, 22795), (9118, 22130), (11065, 18236)]