201999798

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 256

約数和(自身を含む): 625121280

約数和(自身を除く): 423121482

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 37, 39, 42, 54, 63, 66, 74, 77, 78, 91, 99, 101, 111, 117, 126, 143, 154, 182, 189, 198, 202, 222, 231, 234, 259, 273, 286, 297, 303, 333, 351, 378, 407, 429, 462, 481, 518, 546, 594, 606, 666, 693, 702, 707, 777, 814, 819, 858, 909, 962, 999, 1001, 1111, 1221, 1287, 1313, 1386, 1414, 1443, 1554, 1638, 1818, 1998, 2002, 2079, 2121, 2222, 2331, 2442, 2457, 2574, 2626, 2727, 2849, 2886, 3003, 3333, 3367, 3663, 3737, 3861, 3939, 4158, 4242, 4329, 4662, 4914, 5291, 5454, 5698, 6006, 6363, 6666, 6734, 6993, 7326, 7474, 7722, 7777, 7878, 8547, 8658, 9009, 9191, 9999, 10101, 10582, 10989, 11211, 11817, 12726, 12987, 13986, 14443, 15554, 15873, 17094, 18018, 18382, 19089, 19998, 20202, 21978, 22422, 23331, 23634, 25641, 25974, 26159, 27027, 27573, 28886, 29997, 30303, 31746, 33633, 35451, 37037, 38178, 41107, 43329, 46662, 47619, 48581, 51282, 52318, 54054, 55146, 59994, 60606, 67266, 69993, 70902, 74074, 76923, 78477, 82214, 82719, 86658, 90909, 95238, 97162, 100899, 101101, 111111, 123321, 129987, 139986, 142857, 145743, 153846, 156954, 165438, 181818, 201798, 202202, 209979, 222222, 235431, 246642, 248157, 259974, 285714, 287749, 291486, 303303, 333333, 340067, 369963, 389961, 419958, 437229, 470862, 496314, 534391, 575498, 606606, 666666, 680134, 706293, 739926, 779922, 863247, 874458, 909909, 999999, 1020201, 1068782, 1109889, 1311687, 1412586, 1603173, 1726494, 1819818, 1999998, 2040402, 2219778, 2589741, 2623374, 2729727, 3060603, 3206346, 3740737, 4809519, 5179482, 5459454, 6121206, 7481474, 7769223, 9181809, 9619038, 11222211, 14428557, 15538446, 18363618, 22444422, 28857114, 33666633, 67333266, 100999899, 201999798]

約数ペア:

[(1, 201999798), (2, 100999899), (3, 67333266), (6, 33666633), (7, 28857114), (9, 22444422), (11, 18363618), (13, 15538446), (14, 14428557), (18, 11222211), (21, 9619038), (22, 9181809), (26, 7769223), (27, 7481474), (33, 6121206), (37, 5459454), (39, 5179482), (42, 4809519), (54, 3740737), (63, 3206346), (66, 3060603), (74, 2729727), (77, 2623374), (78, 2589741), (91, 2219778), (99, 2040402), (101, 1999998), (111, 1819818), (117, 1726494), (126, 1603173), (143, 1412586), (154, 1311687), (182, 1109889), (189, 1068782), (198, 1020201), (202, 999999), (222, 909909), (231, 874458), (234, 863247), (259, 779922), (273, 739926), (286, 706293), (297, 680134), (303, 666666), (333, 606606), (351, 575498), (378, 534391), (407, 496314), (429, 470862), (462, 437229), (481, 419958), (518, 389961), (546, 369963), (594, 340067), (606, 333333), (666, 303303), (693, 291486), (702, 287749), (707, 285714), (777, 259974), (814, 248157), (819, 246642), (858, 235431), (909, 222222), (962, 209979), (999, 202202), (1001, 201798), (1111, 181818), (1221, 165438), (1287, 156954), (1313, 153846), (1386, 145743), (1414, 142857), (1443, 139986), (1554, 129987), (1638, 123321), (1818, 111111), (1998, 101101), (2002, 100899), (2079, 97162), (2121, 95238), (2222, 90909), (2331, 86658), (2442, 82719), (2457, 82214), (2574, 78477), (2626, 76923), (2727, 74074), (2849, 70902), (2886, 69993), (3003, 67266), (3333, 60606), (3367, 59994), (3663, 55146), (3737, 54054), (3861, 52318), (3939, 51282), (4158, 48581), (4242, 47619), (4329, 46662), (4662, 43329), (4914, 41107), (5291, 38178), (5454, 37037), (5698, 35451), (6006, 33633), (6363, 31746), (6666, 30303), (6734, 29997), (6993, 28886), (7326, 27573), (7474, 27027), (7722, 26159), (7777, 25974), (7878, 25641), (8547, 23634), (8658, 23331), (9009, 22422), (9191, 21978), (9999, 20202), (10101, 19998), (10582, 19089), (10989, 18382), (11211, 18018), (11817, 17094), (12726, 15873), (12987, 15554), (13986, 14443)]