12158900

素因数分解:

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

素因数の和:273

約数の個数: 72

約数和(自身を含む): 29164800

約数和(自身を除く): 17005900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 199, 235, 260, 325, 398, 470, 611, 650, 796, 940, 995, 1175, 1222, 1300, 1990, 2350, 2444, 2587, 3055, 3980, 4700, 4975, 5174, 6110, 9353, 9950, 10348, 12220, 12935, 15275, 18706, 19900, 25870, 30550, 37412, 46765, 51740, 61100, 64675, 93530, 121589, 129350, 187060, 233825, 243178, 258700, 467650, 486356, 607945, 935300, 1215890, 2431780, 3039725, 6079450, 12158900]

約数ペア:

[(1, 12158900), (2, 6079450), (4, 3039725), (5, 2431780), (10, 1215890), (13, 935300), (20, 607945), (25, 486356), (26, 467650), (47, 258700), (50, 243178), (52, 233825), (65, 187060), (94, 129350), (100, 121589), (130, 93530), (188, 64675), (199, 61100), (235, 51740), (260, 46765), (325, 37412), (398, 30550), (470, 25870), (611, 19900), (650, 18706), (796, 15275), (940, 12935), (995, 12220), (1175, 10348), (1222, 9950), (1300, 9353), (1990, 6110), (2350, 5174), (2444, 4975), (2587, 4700), (3055, 3980)]