189979860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 216

約数和(自身を含む): 656722080

約数和(自身を除く): 466742220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 179, 190, 196, 210, 228, 245, 266, 285, 294, 358, 361, 380, 399, 420, 490, 532, 537, 570, 588, 665, 716, 722, 735, 798, 895, 931, 980, 1074, 1083, 1140, 1253, 1330, 1444, 1470, 1596, 1790, 1805, 1862, 1995, 2148, 2166, 2506, 2527, 2660, 2685, 2793, 2940, 3401, 3580, 3610, 3724, 3759, 3990, 4332, 4655, 5012, 5054, 5370, 5415, 5586, 6265, 6802, 7220, 7518, 7581, 7980, 8771, 9310, 10108, 10203, 10740, 10830, 11172, 12530, 12635, 13604, 13965, 15036, 15162, 17005, 17542, 17689, 18620, 18795, 20406, 21660, 23807, 25060, 25270, 26313, 27930, 30324, 34010, 35084, 35378, 37590, 37905, 40812, 43855, 47614, 50540, 51015, 52626, 53067, 55860, 64619, 68020, 70756, 71421, 75180, 75810, 87710, 88445, 95228, 102030, 105252, 106134, 119035, 129238, 131565, 142842, 151620, 166649, 175420, 176890, 193857, 204060, 212268, 238070, 258476, 263130, 265335, 285684, 323095, 333298, 353780, 357105, 387714, 452333, 476140, 499947, 526260, 530670, 646190, 666596, 714210, 775428, 833245, 904666, 969285, 999894, 1061340, 1292380, 1356999, 1428420, 1666490, 1809332, 1938570, 1999788, 2261665, 2499735, 2713998, 3166331, 3332980, 3877140, 4523330, 4999470, 5427996, 6332662, 6784995, 9046660, 9498993, 9998940, 12665324, 13569990, 15831655, 18997986, 27139980, 31663310, 37995972, 47494965, 63326620, 94989930, 189979860]

約数ペア:

[(1, 189979860), (2, 94989930), (3, 63326620), (4, 47494965), (5, 37995972), (6, 31663310), (7, 27139980), (10, 18997986), (12, 15831655), (14, 13569990), (15, 12665324), (19, 9998940), (20, 9498993), (21, 9046660), (28, 6784995), (30, 6332662), (35, 5427996), (38, 4999470), (42, 4523330), (49, 3877140), (57, 3332980), (60, 3166331), (70, 2713998), (76, 2499735), (84, 2261665), (95, 1999788), (98, 1938570), (105, 1809332), (114, 1666490), (133, 1428420), (140, 1356999), (147, 1292380), (179, 1061340), (190, 999894), (196, 969285), (210, 904666), (228, 833245), (245, 775428), (266, 714210), (285, 666596), (294, 646190), (358, 530670), (361, 526260), (380, 499947), (399, 476140), (420, 452333), (490, 387714), (532, 357105), (537, 353780), (570, 333298), (588, 323095), (665, 285684), (716, 265335), (722, 263130), (735, 258476), (798, 238070), (895, 212268), (931, 204060), (980, 193857), (1074, 176890), (1083, 175420), (1140, 166649), (1253, 151620), (1330, 142842), (1444, 131565), (1470, 129238), (1596, 119035), (1790, 106134), (1805, 105252), (1862, 102030), (1995, 95228), (2148, 88445), (2166, 87710), (2506, 75810), (2527, 75180), (2660, 71421), (2685, 70756), (2793, 68020), (2940, 64619), (3401, 55860), (3580, 53067), (3610, 52626), (3724, 51015), (3759, 50540), (3990, 47614), (4332, 43855), (4655, 40812), (5012, 37905), (5054, 37590), (5370, 35378), (5415, 35084), (5586, 34010), (6265, 30324), (6802, 27930), (7220, 26313), (7518, 25270), (7581, 25060), (7980, 23807), (8771, 21660), (9310, 20406), (10108, 18795), (10203, 18620), (10740, 17689), (10830, 17542), (11172, 17005), (12530, 15162), (12635, 15036), (13604, 13965)]