2431780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 5644800

約数和(自身を除く): 3213020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 199, 235, 260, 398, 470, 611, 796, 940, 995, 1222, 1990, 2444, 2587, 3055, 3980, 5174, 6110, 9353, 10348, 12220, 12935, 18706, 25870, 37412, 46765, 51740, 93530, 121589, 187060, 243178, 486356, 607945, 1215890, 2431780]

約数ペア:

[(1, 2431780), (2, 1215890), (4, 607945), (5, 486356), (10, 243178), (13, 187060), (20, 121589), (26, 93530), (47, 51740), (52, 46765), (65, 37412), (94, 25870), (130, 18706), (188, 12935), (199, 12220), (235, 10348), (260, 9353), (398, 6110), (470, 5174), (611, 3980), (796, 3055), (940, 2587), (995, 2444), (1222, 1990)]