490638960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{13907}}^1$

素因数の和:13940

約数の個数: 180

約数和(自身を含む): 1916884008

約数和(自身を除く): 1426245048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 13907, 17640, 27814, 35280, 41721, 55628, 69535, 83442, 97349, 111256, 125163, 139070, 166884, 194698, 208605, 222512, 250326, 278140, 292047, 333768, 389396, 417210, 486745, 500652, 556280, 584094, 625815, 667536, 681443, 778792, 834420, 876141, 973490, 1001304, 1112560, 1168188, 1251630, 1362886, 1460235, 1557584, 1668840, 1752282, 1946980, 2002608, 2044329, 2336376, 2503260, 2725772, 2920470, 3337680, 3407215, 3504564, 3893960, 4088658, 4380705, 4672752, 5006520, 5451544, 5840940, 6132987, 6814430, 7009128, 7787920, 8177316, 8761410, 10013040, 10221645, 10903088, 11681880, 12265974, 13628860, 14018256, 16354632, 17522820, 20443290, 23363760, 24531948, 27257720, 30664935, 32709264, 35045640, 40886580, 49063896, 54515440, 61329870, 70091280, 81773160, 98127792, 122659740, 163546320, 245319480, 490638960]

約数ペア:

[(1, 490638960), (2, 245319480), (3, 163546320), (4, 122659740), (5, 98127792), (6, 81773160), (7, 70091280), (8, 61329870), (9, 54515440), (10, 49063896), (12, 40886580), (14, 35045640), (15, 32709264), (16, 30664935), (18, 27257720), (20, 24531948), (21, 23363760), (24, 20443290), (28, 17522820), (30, 16354632), (35, 14018256), (36, 13628860), (40, 12265974), (42, 11681880), (45, 10903088), (48, 10221645), (49, 10013040), (56, 8761410), (60, 8177316), (63, 7787920), (70, 7009128), (72, 6814430), (80, 6132987), (84, 5840940), (90, 5451544), (98, 5006520), (105, 4672752), (112, 4380705), (120, 4088658), (126, 3893960), (140, 3504564), (144, 3407215), (147, 3337680), (168, 2920470), (180, 2725772), (196, 2503260), (210, 2336376), (240, 2044329), (245, 2002608), (252, 1946980), (280, 1752282), (294, 1668840), (315, 1557584), (336, 1460235), (360, 1362886), (392, 1251630), (420, 1168188), (441, 1112560), (490, 1001304), (504, 973490), (560, 876141), (588, 834420), (630, 778792), (720, 681443), (735, 667536), (784, 625815), (840, 584094), (882, 556280), (980, 500652), (1008, 486745), (1176, 417210), (1260, 389396), (1470, 333768), (1680, 292047), (1764, 278140), (1960, 250326), (2205, 222512), (2352, 208605), (2520, 194698), (2940, 166884), (3528, 139070), (3920, 125163), (4410, 111256), (5040, 97349), (5880, 83442), (7056, 69535), (8820, 55628), (11760, 41721), (13907, 35280), (17640, 27814)]