9225640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 22320000

約数和(自身を除く): 13094360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 199, 244, 305, 380, 398, 488, 610, 760, 796, 995, 1159, 1220, 1592, 1990, 2318, 2440, 3781, 3980, 4636, 5795, 7562, 7960, 9272, 11590, 12139, 15124, 18905, 23180, 24278, 30248, 37810, 46360, 48556, 60695, 75620, 97112, 121390, 151240, 230641, 242780, 461282, 485560, 922564, 1153205, 1845128, 2306410, 4612820, 9225640]

約数ペア:

[(1, 9225640), (2, 4612820), (4, 2306410), (5, 1845128), (8, 1153205), (10, 922564), (19, 485560), (20, 461282), (38, 242780), (40, 230641), (61, 151240), (76, 121390), (95, 97112), (122, 75620), (152, 60695), (190, 48556), (199, 46360), (244, 37810), (305, 30248), (380, 24278), (398, 23180), (488, 18905), (610, 15124), (760, 12139), (796, 11590), (995, 9272), (1159, 7960), (1220, 7562), (1592, 5795), (1990, 4636), (2318, 3980), (2440, 3781)]