71430828

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 206841600

約数和(自身を除く): 135410772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 59, 71, 84, 87, 98, 116, 118, 142, 147, 174, 177, 196, 203, 213, 236, 284, 294, 348, 354, 406, 413, 426, 497, 588, 609, 708, 812, 826, 852, 994, 1218, 1239, 1421, 1491, 1652, 1711, 1988, 2059, 2436, 2478, 2842, 2891, 2982, 3422, 3479, 4118, 4189, 4263, 4956, 5133, 5684, 5782, 5964, 6177, 6844, 6958, 8236, 8378, 8526, 8673, 10266, 10437, 11564, 11977, 12354, 12567, 13916, 14413, 16756, 17052, 17346, 20532, 20874, 23954, 24708, 25134, 28826, 29323, 34692, 35931, 41748, 43239, 47908, 50268, 57652, 58646, 71862, 83839, 86478, 87969, 100891, 117292, 121481, 143724, 167678, 172956, 175938, 201782, 205261, 242962, 251517, 302673, 335356, 351876, 364443, 403564, 410522, 485924, 503034, 605346, 615783, 728886, 821044, 850367, 1006068, 1210692, 1231566, 1457772, 1700734, 2463132, 2551101, 3401468, 5102202, 5952569, 10204404, 11905138, 17857707, 23810276, 35715414, 71430828]

約数ペア:

[(1, 71430828), (2, 35715414), (3, 23810276), (4, 17857707), (6, 11905138), (7, 10204404), (12, 5952569), (14, 5102202), (21, 3401468), (28, 2551101), (29, 2463132), (42, 1700734), (49, 1457772), (58, 1231566), (59, 1210692), (71, 1006068), (84, 850367), (87, 821044), (98, 728886), (116, 615783), (118, 605346), (142, 503034), (147, 485924), (174, 410522), (177, 403564), (196, 364443), (203, 351876), (213, 335356), (236, 302673), (284, 251517), (294, 242962), (348, 205261), (354, 201782), (406, 175938), (413, 172956), (426, 167678), (497, 143724), (588, 121481), (609, 117292), (708, 100891), (812, 87969), (826, 86478), (852, 83839), (994, 71862), (1218, 58646), (1239, 57652), (1421, 50268), (1491, 47908), (1652, 43239), (1711, 41748), (1988, 35931), (2059, 34692), (2436, 29323), (2478, 28826), (2842, 25134), (2891, 24708), (2982, 23954), (3422, 20874), (3479, 20532), (4118, 17346), (4189, 17052), (4263, 16756), (4956, 14413), (5133, 13916), (5684, 12567), (5782, 12354), (5964, 11977), (6177, 11564), (6844, 10437), (6958, 10266), (8236, 8673), (8378, 8526)]