490519120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 240

約数和(自身を含む): 1450835712

約数和(自身を除く): 960316592

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 73, 80, 91, 104, 112, 130, 140, 142, 146, 169, 182, 208, 260, 280, 284, 292, 338, 355, 364, 365, 455, 497, 511, 520, 560, 568, 584, 676, 710, 728, 730, 845, 910, 923, 949, 994, 1022, 1040, 1136, 1168, 1183, 1352, 1420, 1456, 1460, 1690, 1820, 1846, 1898, 1988, 2044, 2366, 2485, 2555, 2704, 2840, 2920, 3380, 3640, 3692, 3796, 3976, 4088, 4615, 4732, 4745, 4970, 5110, 5183, 5680, 5840, 5915, 6461, 6643, 6760, 7280, 7384, 7592, 7952, 8176, 9230, 9464, 9490, 9940, 10220, 10366, 11830, 11999, 12337, 12922, 13286, 13520, 14768, 15184, 18460, 18928, 18980, 19880, 20440, 20732, 23660, 23998, 24674, 25844, 25915, 26572, 32305, 33215, 36281, 36920, 37960, 39760, 40880, 41464, 47320, 47996, 49348, 51688, 51830, 53144, 59995, 61685, 64610, 66430, 67379, 72562, 73840, 75920, 82928, 83993, 86359, 94640, 95992, 98696, 103376, 103660, 106288, 119990, 123370, 129220, 132860, 134758, 145124, 167986, 172718, 181405, 191984, 197392, 207320, 239980, 246740, 258440, 265720, 269516, 290248, 335972, 336895, 345436, 362810, 414640, 419965, 431795, 471653, 479960, 493480, 516880, 531440, 539032, 580496, 671944, 673790, 690872, 725620, 839930, 863590, 875927, 943306, 959920, 986960, 1078064, 1343888, 1347580, 1381744, 1451240, 1679860, 1727180, 1751854, 1886612, 2358265, 2695160, 2902480, 3359720, 3454360, 3503708, 3773224, 4379635, 4716530, 5390320, 6131489, 6719440, 6908720, 7007416, 7546448, 8759270, 9433060, 12262978, 14014832, 17518540, 18866120, 24525956, 30657445, 35037080, 37732240, 49051912, 61314890, 70074160, 98103824, 122629780, 245259560, 490519120]

約数ペア:

[(1, 490519120), (2, 245259560), (4, 122629780), (5, 98103824), (7, 70074160), (8, 61314890), (10, 49051912), (13, 37732240), (14, 35037080), (16, 30657445), (20, 24525956), (26, 18866120), (28, 17518540), (35, 14014832), (40, 12262978), (52, 9433060), (56, 8759270), (65, 7546448), (70, 7007416), (71, 6908720), (73, 6719440), (80, 6131489), (91, 5390320), (104, 4716530), (112, 4379635), (130, 3773224), (140, 3503708), (142, 3454360), (146, 3359720), (169, 2902480), (182, 2695160), (208, 2358265), (260, 1886612), (280, 1751854), (284, 1727180), (292, 1679860), (338, 1451240), (355, 1381744), (364, 1347580), (365, 1343888), (455, 1078064), (497, 986960), (511, 959920), (520, 943306), (560, 875927), (568, 863590), (584, 839930), (676, 725620), (710, 690872), (728, 673790), (730, 671944), (845, 580496), (910, 539032), (923, 531440), (949, 516880), (994, 493480), (1022, 479960), (1040, 471653), (1136, 431795), (1168, 419965), (1183, 414640), (1352, 362810), (1420, 345436), (1456, 336895), (1460, 335972), (1690, 290248), (1820, 269516), (1846, 265720), (1898, 258440), (1988, 246740), (2044, 239980), (2366, 207320), (2485, 197392), (2555, 191984), (2704, 181405), (2840, 172718), (2920, 167986), (3380, 145124), (3640, 134758), (3692, 132860), (3796, 129220), (3976, 123370), (4088, 119990), (4615, 106288), (4732, 103660), (4745, 103376), (4970, 98696), (5110, 95992), (5183, 94640), (5680, 86359), (5840, 83993), (5915, 82928), (6461, 75920), (6643, 73840), (6760, 72562), (7280, 67379), (7384, 66430), (7592, 64610), (7952, 61685), (8176, 59995), (9230, 53144), (9464, 51830), (9490, 51688), (9940, 49348), (10220, 47996), (10366, 47320), (11830, 41464), (11999, 40880), (12337, 39760), (12922, 37960), (13286, 36920), (13520, 36281), (14768, 33215), (15184, 32305), (18460, 26572), (18928, 25915), (18980, 25844), (19880, 24674), (20440, 23998), (20732, 23660)]