220140888

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 641571840

約数和(自身を除く): 421430952

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 181, 187, 204, 264, 271, 362, 374, 408, 542, 543, 561, 724, 748, 813, 1084, 1086, 1122, 1448, 1496, 1626, 1991, 2168, 2172, 2244, 2981, 3077, 3252, 3982, 4344, 4488, 4607, 5962, 5973, 6154, 6504, 7964, 8943, 9214, 9231, 11924, 11946, 12308, 13821, 15928, 17886, 18428, 18462, 23848, 23892, 24616, 27642, 33847, 35772, 36856, 36924, 47784, 49051, 50677, 55284, 67694, 71544, 73848, 98102, 101354, 101541, 110568, 135388, 147153, 152031, 196204, 202708, 203082, 270776, 294306, 304062, 392408, 405416, 406164, 539561, 588612, 608124, 812328, 833867, 1079122, 1177224, 1216248, 1618683, 1667734, 2158244, 2501601, 3237366, 3335468, 4316488, 5003202, 6474732, 6670936, 9172537, 10006404, 12949464, 18345074, 20012808, 27517611, 36690148, 55035222, 73380296, 110070444, 220140888]

約数ペア:

[(1, 220140888), (2, 110070444), (3, 73380296), (4, 55035222), (6, 36690148), (8, 27517611), (11, 20012808), (12, 18345074), (17, 12949464), (22, 10006404), (24, 9172537), (33, 6670936), (34, 6474732), (44, 5003202), (51, 4316488), (66, 3335468), (68, 3237366), (88, 2501601), (102, 2158244), (132, 1667734), (136, 1618683), (181, 1216248), (187, 1177224), (204, 1079122), (264, 833867), (271, 812328), (362, 608124), (374, 588612), (408, 539561), (542, 406164), (543, 405416), (561, 392408), (724, 304062), (748, 294306), (813, 270776), (1084, 203082), (1086, 202708), (1122, 196204), (1448, 152031), (1496, 147153), (1626, 135388), (1991, 110568), (2168, 101541), (2172, 101354), (2244, 98102), (2981, 73848), (3077, 71544), (3252, 67694), (3982, 55284), (4344, 50677), (4488, 49051), (4607, 47784), (5962, 36924), (5973, 36856), (6154, 35772), (6504, 33847), (7964, 27642), (8943, 24616), (9214, 23892), (9231, 23848), (11924, 18462), (11946, 18428), (12308, 17886), (13821, 15928)]