202489160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 496419840

約数和(自身を除く): 293930680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 47, 71, 74, 82, 94, 142, 148, 164, 185, 188, 205, 235, 284, 296, 328, 355, 370, 376, 410, 470, 568, 710, 740, 820, 940, 1420, 1480, 1517, 1640, 1739, 1880, 1927, 2627, 2840, 2911, 3034, 3337, 3478, 3854, 5254, 5822, 6068, 6674, 6956, 7585, 7708, 8695, 9635, 10508, 11644, 12136, 13135, 13348, 13912, 14555, 15170, 15416, 16685, 17390, 19270, 21016, 23288, 26270, 26696, 29110, 30340, 33370, 34780, 38540, 52540, 58220, 60680, 66740, 69560, 71299, 77080, 105080, 107707, 116440, 123469, 133480, 136817, 142598, 215414, 246938, 273634, 285196, 356495, 430828, 493876, 538535, 547268, 570392, 617345, 684085, 712990, 861656, 987752, 1077070, 1094536, 1234690, 1368170, 1425980, 2154140, 2469380, 2736340, 2851960, 4308280, 4938760, 5062229, 5472680, 10124458, 20248916, 25311145, 40497832, 50622290, 101244580, 202489160]

約数ペア:

[(1, 202489160), (2, 101244580), (4, 50622290), (5, 40497832), (8, 25311145), (10, 20248916), (20, 10124458), (37, 5472680), (40, 5062229), (41, 4938760), (47, 4308280), (71, 2851960), (74, 2736340), (82, 2469380), (94, 2154140), (142, 1425980), (148, 1368170), (164, 1234690), (185, 1094536), (188, 1077070), (205, 987752), (235, 861656), (284, 712990), (296, 684085), (328, 617345), (355, 570392), (370, 547268), (376, 538535), (410, 493876), (470, 430828), (568, 356495), (710, 285196), (740, 273634), (820, 246938), (940, 215414), (1420, 142598), (1480, 136817), (1517, 133480), (1640, 123469), (1739, 116440), (1880, 107707), (1927, 105080), (2627, 77080), (2840, 71299), (2911, 69560), (3034, 66740), (3337, 60680), (3478, 58220), (3854, 52540), (5254, 38540), (5822, 34780), (6068, 33370), (6674, 30340), (6956, 29110), (7585, 26696), (7708, 26270), (8695, 23288), (9635, 21016), (10508, 19270), (11644, 17390), (12136, 16685), (13135, 15416), (13348, 15170), (13912, 14555)]