74999925

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 191571072

約数和(自身を除く): 116571147

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 25, 27, 33, 35, 37, 39, 45, 55, 63, 65, 75, 77, 81, 91, 99, 105, 111, 117, 135, 143, 165, 175, 185, 189, 195, 225, 231, 259, 273, 275, 297, 315, 325, 333, 351, 385, 405, 407, 429, 455, 481, 495, 525, 555, 567, 585, 675, 693, 715, 777, 819, 825, 891, 925, 945, 975, 999, 1001, 1053, 1155, 1221, 1287, 1295, 1365, 1443, 1485, 1575, 1665, 1755, 1925, 2025, 2035, 2079, 2145, 2275, 2331, 2405, 2457, 2475, 2775, 2835, 2849, 2925, 2997, 3003, 3367, 3465, 3575, 3663, 3861, 3885, 4095, 4329, 4455, 4725, 4995, 5005, 5265, 5291, 5775, 6105, 6237, 6435, 6475, 6825, 6993, 7215, 7371, 7425, 8325, 8547, 8775, 9009, 10101, 10175, 10395, 10725, 10989, 11583, 11655, 12025, 12285, 12987, 14175, 14245, 14985, 15015, 15873, 16835, 17325, 18315, 19305, 19425, 20475, 20979, 21645, 22275, 24975, 25025, 25641, 26325, 26455, 27027, 30303, 30525, 31185, 32175, 32967, 34965, 36075, 36855, 37037, 38961, 42735, 45045, 47619, 50505, 51975, 54945, 57915, 58275, 61425, 64935, 71225, 74925, 75075, 76923, 79365, 81081, 84175, 90909, 91575, 96525, 104895, 108225, 111111, 128205, 132275, 135135, 142857, 151515, 155925, 164835, 174825, 184275, 185185, 194805, 213675, 225225, 230769, 238095, 252525, 272727, 274725, 289575, 324675, 333333, 384615, 396825, 405405, 428571, 454545, 524475, 555555, 641025, 675675, 714285, 757575, 824175, 925925, 974025, 999999, 1153845, 1190475, 1363635, 1666665, 1923075, 2027025, 2142855, 2272725, 2777775, 2999997, 3571425, 4999995, 5769225, 6818175, 8333325, 10714275, 14999985, 24999975, 74999925]

約数ペア:

[(1, 74999925), (3, 24999975), (5, 14999985), (7, 10714275), (9, 8333325), (11, 6818175), (13, 5769225), (15, 4999995), (21, 3571425), (25, 2999997), (27, 2777775), (33, 2272725), (35, 2142855), (37, 2027025), (39, 1923075), (45, 1666665), (55, 1363635), (63, 1190475), (65, 1153845), (75, 999999), (77, 974025), (81, 925925), (91, 824175), (99, 757575), (105, 714285), (111, 675675), (117, 641025), (135, 555555), (143, 524475), (165, 454545), (175, 428571), (185, 405405), (189, 396825), (195, 384615), (225, 333333), (231, 324675), (259, 289575), (273, 274725), (275, 272727), (297, 252525), (315, 238095), (325, 230769), (333, 225225), (351, 213675), (385, 194805), (405, 185185), (407, 184275), (429, 174825), (455, 164835), (481, 155925), (495, 151515), (525, 142857), (555, 135135), (567, 132275), (585, 128205), (675, 111111), (693, 108225), (715, 104895), (777, 96525), (819, 91575), (825, 90909), (891, 84175), (925, 81081), (945, 79365), (975, 76923), (999, 75075), (1001, 74925), (1053, 71225), (1155, 64935), (1221, 61425), (1287, 58275), (1295, 57915), (1365, 54945), (1443, 51975), (1485, 50505), (1575, 47619), (1665, 45045), (1755, 42735), (1925, 38961), (2025, 37037), (2035, 36855), (2079, 36075), (2145, 34965), (2275, 32967), (2331, 32175), (2405, 31185), (2457, 30525), (2475, 30303), (2775, 27027), (2835, 26455), (2849, 26325), (2925, 25641), (2997, 25025), (3003, 24975), (3367, 22275), (3465, 21645), (3575, 20979), (3663, 20475), (3861, 19425), (3885, 19305), (4095, 18315), (4329, 17325), (4455, 16835), (4725, 15873), (4995, 15015), (5005, 14985), (5265, 14245), (5291, 14175), (5775, 12987), (6105, 12285), (6237, 12025), (6435, 11655), (6475, 11583), (6825, 10989), (6993, 10725), (7215, 10395), (7371, 10175), (7425, 10101), (8325, 9009), (8547, 8775)]