205508940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 288

約数和(自身を含む): 761483520

約数和(自身を除く): 555974580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 49, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 98, 105, 114, 130, 133, 140, 147, 156, 182, 190, 195, 196, 210, 228, 245, 247, 260, 266, 273, 283, 285, 294, 364, 380, 390, 399, 420, 455, 490, 494, 532, 546, 566, 570, 588, 637, 665, 735, 741, 780, 798, 849, 910, 931, 980, 988, 1092, 1132, 1140, 1235, 1274, 1330, 1365, 1415, 1470, 1482, 1596, 1698, 1729, 1820, 1862, 1911, 1981, 1995, 2470, 2548, 2660, 2730, 2793, 2830, 2940, 2964, 3185, 3396, 3458, 3679, 3705, 3724, 3822, 3962, 3990, 4245, 4655, 4940, 5187, 5377, 5460, 5586, 5660, 5943, 6370, 6916, 7358, 7410, 7644, 7924, 7980, 8490, 8645, 9310, 9555, 9905, 10374, 10754, 11037, 11172, 11886, 12103, 12740, 13867, 13965, 14716, 14820, 16131, 16980, 17290, 18395, 18620, 19110, 19810, 20748, 21508, 22074, 23772, 24206, 25753, 25935, 26885, 27734, 27930, 29715, 32262, 34580, 36309, 36790, 37639, 38220, 39620, 41601, 44148, 48412, 51506, 51870, 53770, 55185, 55468, 55860, 59430, 60515, 64524, 69335, 69901, 72618, 73580, 75278, 77259, 80655, 83202, 103012, 103740, 107540, 110370, 112917, 118860, 121030, 128765, 138670, 139802, 145236, 150556, 154518, 161310, 166404, 180271, 181545, 188195, 208005, 209703, 220740, 225834, 242060, 257530, 263473, 277340, 279604, 309036, 322620, 349505, 360542, 363090, 376390, 386295, 416010, 419406, 451668, 489307, 515060, 526946, 540813, 564585, 699010, 721084, 726180, 752780, 772590, 790419, 832020, 838812, 901355, 978614, 1048515, 1053892, 1081626, 1129170, 1317365, 1398020, 1467921, 1545180, 1580838, 1802710, 1957228, 2097030, 2163252, 2258340, 2446535, 2634730, 2704065, 2935842, 3161676, 3425149, 3605420, 3952095, 4194060, 4893070, 5269460, 5408130, 5871684, 6850298, 7339605, 7904190, 9786140, 10275447, 10816260, 13700596, 14679210, 15808380, 17125745, 20550894, 29358420, 34251490, 41101788, 51377235, 68502980, 102754470, 205508940]

約数ペア:

[(1, 205508940), (2, 102754470), (3, 68502980), (4, 51377235), (5, 41101788), (6, 34251490), (7, 29358420), (10, 20550894), (12, 17125745), (13, 15808380), (14, 14679210), (15, 13700596), (19, 10816260), (20, 10275447), (21, 9786140), (26, 7904190), (28, 7339605), (30, 6850298), (35, 5871684), (38, 5408130), (39, 5269460), (42, 4893070), (49, 4194060), (52, 3952095), (57, 3605420), (60, 3425149), (65, 3161676), (70, 2935842), (76, 2704065), (78, 2634730), (84, 2446535), (91, 2258340), (95, 2163252), (98, 2097030), (105, 1957228), (114, 1802710), (130, 1580838), (133, 1545180), (140, 1467921), (147, 1398020), (156, 1317365), (182, 1129170), (190, 1081626), (195, 1053892), (196, 1048515), (210, 978614), (228, 901355), (245, 838812), (247, 832020), (260, 790419), (266, 772590), (273, 752780), (283, 726180), (285, 721084), (294, 699010), (364, 564585), (380, 540813), (390, 526946), (399, 515060), (420, 489307), (455, 451668), (490, 419406), (494, 416010), (532, 386295), (546, 376390), (566, 363090), (570, 360542), (588, 349505), (637, 322620), (665, 309036), (735, 279604), (741, 277340), (780, 263473), (798, 257530), (849, 242060), (910, 225834), (931, 220740), (980, 209703), (988, 208005), (1092, 188195), (1132, 181545), (1140, 180271), (1235, 166404), (1274, 161310), (1330, 154518), (1365, 150556), (1415, 145236), (1470, 139802), (1482, 138670), (1596, 128765), (1698, 121030), (1729, 118860), (1820, 112917), (1862, 110370), (1911, 107540), (1981, 103740), (1995, 103012), (2470, 83202), (2548, 80655), (2660, 77259), (2730, 75278), (2793, 73580), (2830, 72618), (2940, 69901), (2964, 69335), (3185, 64524), (3396, 60515), (3458, 59430), (3679, 55860), (3705, 55468), (3724, 55185), (3822, 53770), (3962, 51870), (3990, 51506), (4245, 48412), (4655, 44148), (4940, 41601), (5187, 39620), (5377, 38220), (5460, 37639), (5586, 36790), (5660, 36309), (5943, 34580), (6370, 32262), (6916, 29715), (7358, 27930), (7410, 27734), (7644, 26885), (7924, 25935), (7980, 25753), (8490, 24206), (8645, 23772), (9310, 22074), (9555, 21508), (9905, 20748), (10374, 19810), (10754, 19110), (11037, 18620), (11172, 18395), (11886, 17290), (12103, 16980), (12740, 16131), (13867, 14820), (13965, 14716)]