12246460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 27518400

約数和(自身を除く): 15271940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 199, 340, 362, 398, 724, 796, 905, 995, 1810, 1990, 3077, 3383, 3620, 3980, 6154, 6766, 12308, 13532, 15385, 16915, 30770, 33830, 36019, 61540, 67660, 72038, 144076, 180095, 360190, 612323, 720380, 1224646, 2449292, 3061615, 6123230, 12246460]

約数ペア:

[(1, 12246460), (2, 6123230), (4, 3061615), (5, 2449292), (10, 1224646), (17, 720380), (20, 612323), (34, 360190), (68, 180095), (85, 144076), (170, 72038), (181, 67660), (199, 61540), (340, 36019), (362, 33830), (398, 30770), (724, 16915), (796, 15385), (905, 13532), (995, 12308), (1810, 6766), (1990, 6154), (3077, 3980), (3383, 3620)]