490297920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{1489}}^1$

素因数の和:1530

約数の個数: 224

約数和(自身を含む): 1816608000

約数和(自身を除く): 1326310080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 392, 420, 448, 480, 490, 560, 588, 672, 686, 735, 784, 840, 960, 980, 1029, 1120, 1176, 1344, 1372, 1470, 1489, 1568, 1680, 1715, 1960, 2058, 2240, 2352, 2744, 2940, 2978, 3136, 3360, 3430, 3920, 4116, 4467, 4704, 5145, 5488, 5880, 5956, 6720, 6860, 7445, 7840, 8232, 8934, 9408, 10290, 10423, 10976, 11760, 11912, 13720, 14890, 15680, 16464, 17868, 20580, 20846, 21952, 22335, 23520, 23824, 27440, 29780, 31269, 32928, 35736, 41160, 41692, 44670, 47040, 47648, 52115, 54880, 59560, 62538, 65856, 71472, 72961, 82320, 83384, 89340, 95296, 104230, 109760, 119120, 125076, 142944, 145922, 156345, 164640, 166768, 178680, 208460, 218883, 238240, 250152, 285888, 291844, 312690, 329280, 333536, 357360, 364805, 416920, 437766, 476480, 500304, 510727, 583688, 625380, 667072, 714720, 729610, 833840, 875532, 1000608, 1021454, 1094415, 1167376, 1250760, 1429440, 1459220, 1532181, 1667680, 1751064, 2001216, 2042908, 2188830, 2334752, 2501520, 2553635, 2918440, 3064362, 3335360, 3502128, 4085816, 4377660, 4669504, 5003040, 5107270, 5836880, 6128724, 7004256, 7660905, 8171632, 8755320, 10006080, 10214540, 11673760, 12257448, 14008512, 15321810, 16343264, 17510640, 20429080, 23347520, 24514896, 30643620, 32686528, 35021280, 40858160, 49029792, 61287240, 70042560, 81716320, 98059584, 122574480, 163432640, 245148960, 490297920]

約数ペア:

[(1, 490297920), (2, 245148960), (3, 163432640), (4, 122574480), (5, 98059584), (6, 81716320), (7, 70042560), (8, 61287240), (10, 49029792), (12, 40858160), (14, 35021280), (15, 32686528), (16, 30643620), (20, 24514896), (21, 23347520), (24, 20429080), (28, 17510640), (30, 16343264), (32, 15321810), (35, 14008512), (40, 12257448), (42, 11673760), (48, 10214540), (49, 10006080), (56, 8755320), (60, 8171632), (64, 7660905), (70, 7004256), (80, 6128724), (84, 5836880), (96, 5107270), (98, 5003040), (105, 4669504), (112, 4377660), (120, 4085816), (140, 3502128), (147, 3335360), (160, 3064362), (168, 2918440), (192, 2553635), (196, 2501520), (210, 2334752), (224, 2188830), (240, 2042908), (245, 2001216), (280, 1751064), (294, 1667680), (320, 1532181), (336, 1459220), (343, 1429440), (392, 1250760), (420, 1167376), (448, 1094415), (480, 1021454), (490, 1000608), (560, 875532), (588, 833840), (672, 729610), (686, 714720), (735, 667072), (784, 625380), (840, 583688), (960, 510727), (980, 500304), (1029, 476480), (1120, 437766), (1176, 416920), (1344, 364805), (1372, 357360), (1470, 333536), (1489, 329280), (1568, 312690), (1680, 291844), (1715, 285888), (1960, 250152), (2058, 238240), (2240, 218883), (2352, 208460), (2744, 178680), (2940, 166768), (2978, 164640), (3136, 156345), (3360, 145922), (3430, 142944), (3920, 125076), (4116, 119120), (4467, 109760), (4704, 104230), (5145, 95296), (5488, 89340), (5880, 83384), (5956, 82320), (6720, 72961), (6860, 71472), (7445, 65856), (7840, 62538), (8232, 59560), (8934, 54880), (9408, 52115), (10290, 47648), (10423, 47040), (10976, 44670), (11760, 41692), (11912, 41160), (13720, 35736), (14890, 32928), (15680, 31269), (16464, 29780), (17868, 27440), (20580, 23824), (20846, 23520), (21952, 22335)]