258826428

素因数分解:

$2^2\times 3^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 240

約数和(自身を含む): 841579200

約数和(自身を除く): 582752772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 81, 84, 98, 102, 108, 119, 126, 137, 147, 153, 162, 189, 196, 204, 238, 252, 274, 294, 306, 324, 343, 357, 378, 411, 441, 459, 476, 548, 567, 588, 612, 686, 714, 756, 822, 833, 882, 918, 959, 1029, 1071, 1134, 1233, 1323, 1372, 1377, 1428, 1644, 1666, 1764, 1836, 1918, 2058, 2142, 2268, 2329, 2466, 2499, 2646, 2754, 2877, 3087, 3213, 3332, 3699, 3836, 3969, 4116, 4284, 4658, 4932, 4998, 5292, 5508, 5754, 5831, 6174, 6426, 6713, 6987, 7398, 7497, 7938, 8631, 9261, 9316, 9639, 9996, 11097, 11508, 11662, 12348, 12852, 13426, 13974, 14796, 14994, 15876, 16303, 17262, 17493, 18522, 19278, 20139, 20961, 22194, 22491, 23324, 25893, 26852, 27783, 27948, 29988, 32606, 34524, 34986, 37044, 38556, 40278, 41922, 44388, 44982, 46991, 48909, 51786, 52479, 55566, 60417, 62883, 65212, 67473, 69972, 77679, 80556, 83844, 89964, 93982, 97818, 103572, 104958, 111132, 114121, 120834, 125766, 134946, 140973, 146727, 155358, 157437, 181251, 187964, 188649, 195636, 209916, 228242, 241668, 251532, 269892, 281946, 293454, 310716, 314874, 342363, 362502, 377298, 422919, 440181, 456484, 472311, 543753, 563892, 586908, 629748, 684726, 725004, 754596, 798847, 845838, 880362, 944622, 1027089, 1087506, 1268757, 1320543, 1369452, 1597694, 1691676, 1760724, 1889244, 2054178, 2175012, 2396541, 2537514, 2641086, 3081267, 3195388, 3806271, 4108356, 4793082, 5075028, 5282172, 6162534, 7189623, 7612542, 9243801, 9586164, 12325068, 14379246, 15225084, 18487602, 21568869, 28758492, 36975204, 43137738, 64706607, 86275476, 129413214, 258826428]

約数ペア:

[(1, 258826428), (2, 129413214), (3, 86275476), (4, 64706607), (6, 43137738), (7, 36975204), (9, 28758492), (12, 21568869), (14, 18487602), (17, 15225084), (18, 14379246), (21, 12325068), (27, 9586164), (28, 9243801), (34, 7612542), (36, 7189623), (42, 6162534), (49, 5282172), (51, 5075028), (54, 4793082), (63, 4108356), (68, 3806271), (81, 3195388), (84, 3081267), (98, 2641086), (102, 2537514), (108, 2396541), (119, 2175012), (126, 2054178), (137, 1889244), (147, 1760724), (153, 1691676), (162, 1597694), (189, 1369452), (196, 1320543), (204, 1268757), (238, 1087506), (252, 1027089), (274, 944622), (294, 880362), (306, 845838), (324, 798847), (343, 754596), (357, 725004), (378, 684726), (411, 629748), (441, 586908), (459, 563892), (476, 543753), (548, 472311), (567, 456484), (588, 440181), (612, 422919), (686, 377298), (714, 362502), (756, 342363), (822, 314874), (833, 310716), (882, 293454), (918, 281946), (959, 269892), (1029, 251532), (1071, 241668), (1134, 228242), (1233, 209916), (1323, 195636), (1372, 188649), (1377, 187964), (1428, 181251), (1644, 157437), (1666, 155358), (1764, 146727), (1836, 140973), (1918, 134946), (2058, 125766), (2142, 120834), (2268, 114121), (2329, 111132), (2466, 104958), (2499, 103572), (2646, 97818), (2754, 93982), (2877, 89964), (3087, 83844), (3213, 80556), (3332, 77679), (3699, 69972), (3836, 67473), (3969, 65212), (4116, 62883), (4284, 60417), (4658, 55566), (4932, 52479), (4998, 51786), (5292, 48909), (5508, 46991), (5754, 44982), (5831, 44388), (6174, 41922), (6426, 40278), (6713, 38556), (6987, 37044), (7398, 34986), (7497, 34524), (7938, 32606), (8631, 29988), (9261, 27948), (9316, 27783), (9639, 26852), (9996, 25893), (11097, 23324), (11508, 22491), (11662, 22194), (12348, 20961), (12852, 20139), (13426, 19278), (13974, 18522), (14796, 17493), (14994, 17262), (15876, 16303)]