402298400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 216

約数和(自身を含む): 1190548800

約数和(自身を除く): 788250400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 160, 175, 190, 199, 200, 224, 266, 280, 304, 350, 361, 380, 398, 400, 475, 532, 560, 608, 665, 700, 722, 760, 796, 800, 950, 995, 1064, 1120, 1330, 1393, 1400, 1444, 1520, 1592, 1805, 1900, 1990, 2128, 2527, 2660, 2786, 2800, 2888, 3040, 3184, 3325, 3610, 3781, 3800, 3980, 4256, 4975, 5054, 5320, 5572, 5600, 5776, 6368, 6650, 6965, 7220, 7562, 7600, 7960, 9025, 9950, 10108, 10640, 11144, 11552, 12635, 13300, 13930, 14440, 15124, 15200, 15920, 18050, 18905, 19900, 20216, 21280, 22288, 25270, 26467, 26600, 27860, 28880, 30248, 31840, 34825, 36100, 37810, 39800, 40432, 44576, 50540, 52934, 53200, 55720, 57760, 60496, 63175, 69650, 71839, 72200, 75620, 79600, 80864, 94525, 101080, 105868, 106400, 111440, 120992, 126350, 132335, 139300, 143678, 144400, 151240, 159200, 189050, 202160, 211736, 222880, 252700, 264670, 278600, 287356, 288800, 302480, 359195, 378100, 404320, 423472, 502873, 505400, 529340, 557200, 574712, 604960, 661675, 718390, 756200, 846944, 1005746, 1010800, 1058680, 1114400, 1149424, 1323350, 1436780, 1512400, 1795975, 2011492, 2021600, 2117360, 2298848, 2514365, 2646700, 2873560, 3024800, 3591950, 4022984, 4234720, 5028730, 5293400, 5747120, 7183900, 8045968, 10057460, 10586800, 11494240, 12571825, 14367800, 16091936, 20114920, 21173600, 25143650, 28735600, 40229840, 50287300, 57471200, 80459680, 100574600, 201149200, 402298400]

約数ペア:

[(1, 402298400), (2, 201149200), (4, 100574600), (5, 80459680), (7, 57471200), (8, 50287300), (10, 40229840), (14, 28735600), (16, 25143650), (19, 21173600), (20, 20114920), (25, 16091936), (28, 14367800), (32, 12571825), (35, 11494240), (38, 10586800), (40, 10057460), (50, 8045968), (56, 7183900), (70, 5747120), (76, 5293400), (80, 5028730), (95, 4234720), (100, 4022984), (112, 3591950), (133, 3024800), (140, 2873560), (152, 2646700), (160, 2514365), (175, 2298848), (190, 2117360), (199, 2021600), (200, 2011492), (224, 1795975), (266, 1512400), (280, 1436780), (304, 1323350), (350, 1149424), (361, 1114400), (380, 1058680), (398, 1010800), (400, 1005746), (475, 846944), (532, 756200), (560, 718390), (608, 661675), (665, 604960), (700, 574712), (722, 557200), (760, 529340), (796, 505400), (800, 502873), (950, 423472), (995, 404320), (1064, 378100), (1120, 359195), (1330, 302480), (1393, 288800), (1400, 287356), (1444, 278600), (1520, 264670), (1592, 252700), (1805, 222880), (1900, 211736), (1990, 202160), (2128, 189050), (2527, 159200), (2660, 151240), (2786, 144400), (2800, 143678), (2888, 139300), (3040, 132335), (3184, 126350), (3325, 120992), (3610, 111440), (3781, 106400), (3800, 105868), (3980, 101080), (4256, 94525), (4975, 80864), (5054, 79600), (5320, 75620), (5572, 72200), (5600, 71839), (5776, 69650), (6368, 63175), (6650, 60496), (6965, 57760), (7220, 55720), (7562, 53200), (7600, 52934), (7960, 50540), (9025, 44576), (9950, 40432), (10108, 39800), (10640, 37810), (11144, 36100), (11552, 34825), (12635, 31840), (13300, 30248), (13930, 28880), (14440, 27860), (15124, 26600), (15200, 26467), (15920, 25270), (18050, 22288), (18905, 21280), (19900, 20216)]