209155760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 240

約数和(自身を含む): 598461696

約数和(自身を除く): 389305936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 34, 40, 41, 44, 55, 62, 68, 80, 82, 85, 88, 110, 121, 124, 136, 155, 164, 170, 176, 187, 205, 220, 242, 248, 272, 310, 328, 340, 341, 374, 410, 440, 451, 484, 496, 527, 605, 620, 656, 680, 682, 697, 748, 820, 880, 902, 935, 968, 1054, 1210, 1240, 1271, 1360, 1364, 1394, 1496, 1640, 1705, 1804, 1870, 1936, 2057, 2108, 2255, 2420, 2480, 2542, 2635, 2728, 2788, 2992, 3280, 3410, 3485, 3608, 3740, 3751, 4114, 4216, 4510, 4840, 4961, 5084, 5270, 5456, 5576, 5797, 6355, 6820, 6970, 7216, 7480, 7502, 7667, 8228, 8432, 9020, 9680, 9922, 10168, 10285, 10540, 11152, 11594, 12710, 13640, 13940, 13981, 14960, 15004, 15334, 16456, 18040, 18755, 19844, 20336, 20570, 21080, 21607, 23188, 24805, 25420, 27280, 27880, 27962, 28985, 30008, 30668, 32912, 36080, 37510, 38335, 39688, 41140, 42160, 43214, 46376, 49610, 50840, 55760, 55924, 57970, 60016, 61336, 63767, 69905, 75020, 76670, 79376, 82280, 84337, 86428, 92752, 99220, 101680, 108035, 111848, 115940, 122672, 127534, 139810, 150040, 153340, 153791, 164560, 168674, 172856, 198440, 216070, 223696, 231880, 237677, 255068, 279620, 300080, 306680, 307582, 318835, 337348, 345712, 396880, 421685, 432140, 463760, 475354, 510136, 559240, 613360, 615164, 637670, 674696, 768955, 843370, 864280, 950708, 1020272, 1118480, 1188385, 1230328, 1275340, 1349392, 1537910, 1686740, 1728560, 1901416, 2376770, 2460656, 2550680, 2614447, 3075820, 3373480, 3802832, 4753540, 5101360, 5228894, 6151640, 6746960, 9507080, 10457788, 12303280, 13072235, 19014160, 20915576, 26144470, 41831152, 52288940, 104577880, 209155760]

約数ペア:

[(1, 209155760), (2, 104577880), (4, 52288940), (5, 41831152), (8, 26144470), (10, 20915576), (11, 19014160), (16, 13072235), (17, 12303280), (20, 10457788), (22, 9507080), (31, 6746960), (34, 6151640), (40, 5228894), (41, 5101360), (44, 4753540), (55, 3802832), (62, 3373480), (68, 3075820), (80, 2614447), (82, 2550680), (85, 2460656), (88, 2376770), (110, 1901416), (121, 1728560), (124, 1686740), (136, 1537910), (155, 1349392), (164, 1275340), (170, 1230328), (176, 1188385), (187, 1118480), (205, 1020272), (220, 950708), (242, 864280), (248, 843370), (272, 768955), (310, 674696), (328, 637670), (340, 615164), (341, 613360), (374, 559240), (410, 510136), (440, 475354), (451, 463760), (484, 432140), (496, 421685), (527, 396880), (605, 345712), (620, 337348), (656, 318835), (680, 307582), (682, 306680), (697, 300080), (748, 279620), (820, 255068), (880, 237677), (902, 231880), (935, 223696), (968, 216070), (1054, 198440), (1210, 172856), (1240, 168674), (1271, 164560), (1360, 153791), (1364, 153340), (1394, 150040), (1496, 139810), (1640, 127534), (1705, 122672), (1804, 115940), (1870, 111848), (1936, 108035), (2057, 101680), (2108, 99220), (2255, 92752), (2420, 86428), (2480, 84337), (2542, 82280), (2635, 79376), (2728, 76670), (2788, 75020), (2992, 69905), (3280, 63767), (3410, 61336), (3485, 60016), (3608, 57970), (3740, 55924), (3751, 55760), (4114, 50840), (4216, 49610), (4510, 46376), (4840, 43214), (4961, 42160), (5084, 41140), (5270, 39688), (5456, 38335), (5576, 37510), (5797, 36080), (6355, 32912), (6820, 30668), (6970, 30008), (7216, 28985), (7480, 27962), (7502, 27880), (7667, 27280), (8228, 25420), (8432, 24805), (9020, 23188), (9680, 21607), (9922, 21080), (10168, 20570), (10285, 20336), (10540, 19844), (11152, 18755), (11594, 18040), (12710, 16456), (13640, 15334), (13940, 15004), (13981, 14960)]