9987970

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 18662400

約数和(自身を除く): 8674430

約数列:

[1, 2, 5, 10, 47, 79, 94, 158, 235, 269, 395, 470, 538, 790, 1345, 2690, 3713, 7426, 12643, 18565, 21251, 25286, 37130, 42502, 63215, 106255, 126430, 212510, 998797, 1997594, 4993985, 9987970]

約数ペア:

[(1, 9987970), (2, 4993985), (5, 1997594), (10, 998797), (47, 212510), (79, 126430), (94, 106255), (158, 63215), (235, 42502), (269, 37130), (395, 25286), (470, 21251), (538, 18565), (790, 12643), (1345, 7426), (2690, 3713)]