143678000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 120

約数和(自身を含む): 368503200

約数和(自身を除く): 224825200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 199, 200, 250, 304, 361, 380, 398, 400, 475, 500, 722, 760, 796, 950, 995, 1000, 1444, 1520, 1592, 1805, 1900, 1990, 2000, 2375, 2888, 3184, 3610, 3781, 3800, 3980, 4750, 4975, 5776, 7220, 7562, 7600, 7960, 9025, 9500, 9950, 14440, 15124, 15920, 18050, 18905, 19000, 19900, 24875, 28880, 30248, 36100, 37810, 38000, 39800, 45125, 49750, 60496, 71839, 72200, 75620, 79600, 90250, 94525, 99500, 143678, 144400, 151240, 180500, 189050, 199000, 287356, 302480, 359195, 361000, 378100, 398000, 472625, 574712, 718390, 722000, 756200, 945250, 1149424, 1436780, 1512400, 1795975, 1890500, 2873560, 3591950, 3781000, 5747120, 7183900, 7562000, 8979875, 14367800, 17959750, 28735600, 35919500, 71839000, 143678000]

約数ペア:

[(1, 143678000), (2, 71839000), (4, 35919500), (5, 28735600), (8, 17959750), (10, 14367800), (16, 8979875), (19, 7562000), (20, 7183900), (25, 5747120), (38, 3781000), (40, 3591950), (50, 2873560), (76, 1890500), (80, 1795975), (95, 1512400), (100, 1436780), (125, 1149424), (152, 945250), (190, 756200), (199, 722000), (200, 718390), (250, 574712), (304, 472625), (361, 398000), (380, 378100), (398, 361000), (400, 359195), (475, 302480), (500, 287356), (722, 199000), (760, 189050), (796, 180500), (950, 151240), (995, 144400), (1000, 143678), (1444, 99500), (1520, 94525), (1592, 90250), (1805, 79600), (1900, 75620), (1990, 72200), (2000, 71839), (2375, 60496), (2888, 49750), (3184, 45125), (3610, 39800), (3781, 38000), (3800, 37810), (3980, 36100), (4750, 30248), (4975, 28880), (5776, 24875), (7220, 19900), (7562, 19000), (7600, 18905), (7960, 18050), (9025, 15920), (9500, 15124), (9950, 14440)]