257829810

素因数分解:

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

素因数の和:253

約数の個数: 128

約数和(自身を含む): 750643200

約数和(自身を除く): 492813390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 179, 190, 210, 266, 285, 358, 361, 399, 537, 570, 665, 722, 798, 895, 1074, 1083, 1253, 1330, 1790, 1805, 1995, 2166, 2506, 2527, 2685, 3401, 3610, 3759, 3990, 5054, 5370, 5415, 6265, 6802, 6859, 7518, 7581, 10203, 10830, 12530, 12635, 13718, 15162, 17005, 18795, 20406, 20577, 23807, 25270, 34010, 34295, 37590, 37905, 41154, 47614, 48013, 51015, 64619, 68590, 71421, 75810, 96026, 102030, 102885, 119035, 129238, 142842, 144039, 193857, 205770, 238070, 240065, 288078, 323095, 357105, 387714, 452333, 480130, 646190, 714210, 720195, 904666, 969285, 1227761, 1356999, 1440390, 1938570, 2261665, 2455522, 2713998, 3683283, 4523330, 6138805, 6784995, 7366566, 8594327, 12277610, 13569990, 17188654, 18416415, 25782981, 36832830, 42971635, 51565962, 85943270, 128914905, 257829810]

約数ペア:

[(1, 257829810), (2, 128914905), (3, 85943270), (5, 51565962), (6, 42971635), (7, 36832830), (10, 25782981), (14, 18416415), (15, 17188654), (19, 13569990), (21, 12277610), (30, 8594327), (35, 7366566), (38, 6784995), (42, 6138805), (57, 4523330), (70, 3683283), (95, 2713998), (105, 2455522), (114, 2261665), (133, 1938570), (179, 1440390), (190, 1356999), (210, 1227761), (266, 969285), (285, 904666), (358, 720195), (361, 714210), (399, 646190), (537, 480130), (570, 452333), (665, 387714), (722, 357105), (798, 323095), (895, 288078), (1074, 240065), (1083, 238070), (1253, 205770), (1330, 193857), (1790, 144039), (1805, 142842), (1995, 129238), (2166, 119035), (2506, 102885), (2527, 102030), (2685, 96026), (3401, 75810), (3610, 71421), (3759, 68590), (3990, 64619), (5054, 51015), (5370, 48013), (5415, 47614), (6265, 41154), (6802, 37905), (6859, 37590), (7518, 34295), (7581, 34010), (10203, 25270), (10830, 23807), (12530, 20577), (12635, 20406), (13718, 18795), (15162, 17005)]