1900700200

素因数分解:

$2^3\times 5^2\times 7^3\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:409

約数の個数: 192

約数和(自身を含む): 5222880000

約数和(自身を除く): 3322179800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 103, 140, 175, 196, 200, 206, 245, 269, 280, 343, 350, 392, 412, 490, 515, 538, 686, 700, 721, 824, 980, 1030, 1076, 1225, 1345, 1372, 1400, 1442, 1715, 1883, 1960, 2060, 2152, 2450, 2575, 2690, 2744, 2884, 3430, 3605, 3766, 4120, 4900, 5047, 5150, 5380, 5768, 6725, 6860, 7210, 7532, 8575, 9415, 9800, 10094, 10300, 10760, 13181, 13450, 13720, 14420, 15064, 17150, 18025, 18830, 20188, 20600, 25235, 26362, 26900, 27707, 28840, 34300, 35329, 36050, 37660, 40376, 47075, 50470, 52724, 53800, 55414, 65905, 68600, 70658, 72100, 75320, 92267, 94150, 100940, 105448, 110828, 126175, 131810, 138535, 141316, 144200, 176645, 184534, 188300, 193949, 201880, 221656, 252350, 263620, 277070, 282632, 329525, 353290, 369068, 376600, 387898, 461335, 504700, 527240, 554140, 659050, 692675, 706580, 738136, 775796, 883225, 922670, 969745, 1009400, 1108280, 1318100, 1357643, 1385350, 1413160, 1551592, 1766450, 1845340, 1939490, 2306675, 2636200, 2715286, 2770700, 3532900, 3690680, 3878980, 4613350, 4848725, 5430572, 5541400, 6788215, 7065800, 7757960, 9226700, 9503501, 9697450, 10861144, 13576430, 18453400, 19007002, 19394900, 27152860, 33941075, 38014004, 38789800, 47517505, 54305720, 67882150, 76028008, 95035010, 135764300, 190070020, 237587525, 271528600, 380140040, 475175050, 950350100, 1900700200]

約数ペア:

[(1, 1900700200), (2, 950350100), (4, 475175050), (5, 380140040), (7, 271528600), (8, 237587525), (10, 190070020), (14, 135764300), (20, 95035010), (25, 76028008), (28, 67882150), (35, 54305720), (40, 47517505), (49, 38789800), (50, 38014004), (56, 33941075), (70, 27152860), (98, 19394900), (100, 19007002), (103, 18453400), (140, 13576430), (175, 10861144), (196, 9697450), (200, 9503501), (206, 9226700), (245, 7757960), (269, 7065800), (280, 6788215), (343, 5541400), (350, 5430572), (392, 4848725), (412, 4613350), (490, 3878980), (515, 3690680), (538, 3532900), (686, 2770700), (700, 2715286), (721, 2636200), (824, 2306675), (980, 1939490), (1030, 1845340), (1076, 1766450), (1225, 1551592), (1345, 1413160), (1372, 1385350), (1400, 1357643), (1442, 1318100), (1715, 1108280), (1883, 1009400), (1960, 969745), (2060, 922670), (2152, 883225), (2450, 775796), (2575, 738136), (2690, 706580), (2744, 692675), (2884, 659050), (3430, 554140), (3605, 527240), (3766, 504700), (4120, 461335), (4900, 387898), (5047, 376600), (5150, 369068), (5380, 353290), (5768, 329525), (6725, 282632), (6860, 277070), (7210, 263620), (7532, 252350), (8575, 221656), (9415, 201880), (9800, 193949), (10094, 188300), (10300, 184534), (10760, 176645), (13181, 144200), (13450, 141316), (13720, 138535), (14420, 131810), (15064, 126175), (17150, 110828), (18025, 105448), (18830, 100940), (20188, 94150), (20600, 92267), (25235, 75320), (26362, 72100), (26900, 70658), (27707, 68600), (28840, 65905), (34300, 55414), (35329, 53800), (36050, 52724), (37660, 50470), (40376, 47075)]