238433840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{881}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 590587200

約数和(自身を除く): 352153360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 272, 340, 398, 680, 796, 881, 995, 1360, 1592, 1762, 1990, 3184, 3383, 3524, 3980, 4405, 6766, 7048, 7960, 8810, 13532, 14096, 14977, 15920, 16915, 17620, 27064, 29954, 33830, 35240, 54128, 59908, 67660, 70480, 74885, 119816, 135320, 149770, 175319, 239632, 270640, 299540, 350638, 599080, 701276, 876595, 1198160, 1402552, 1753190, 2805104, 2980423, 3506380, 5960846, 7012760, 11921692, 14025520, 14902115, 23843384, 29804230, 47686768, 59608460, 119216920, 238433840]

約数ペア:

[(1, 238433840), (2, 119216920), (4, 59608460), (5, 47686768), (8, 29804230), (10, 23843384), (16, 14902115), (17, 14025520), (20, 11921692), (34, 7012760), (40, 5960846), (68, 3506380), (80, 2980423), (85, 2805104), (136, 1753190), (170, 1402552), (199, 1198160), (272, 876595), (340, 701276), (398, 599080), (680, 350638), (796, 299540), (881, 270640), (995, 239632), (1360, 175319), (1592, 149770), (1762, 135320), (1990, 119816), (3184, 74885), (3383, 70480), (3524, 67660), (3980, 59908), (4405, 54128), (6766, 35240), (7048, 33830), (7960, 29954), (8810, 27064), (13532, 17620), (14096, 16915), (14977, 15920)]