217884870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 192

約数和(自身を含む): 693411840

約数和(自身を除く): 475526970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 43, 45, 49, 54, 63, 70, 86, 90, 98, 105, 126, 129, 135, 147, 189, 210, 215, 245, 258, 270, 294, 301, 315, 378, 383, 387, 430, 441, 490, 602, 630, 645, 735, 766, 774, 882, 903, 945, 1149, 1161, 1290, 1323, 1470, 1505, 1806, 1890, 1915, 1935, 2107, 2205, 2298, 2322, 2646, 2681, 2709, 3010, 3447, 3830, 3870, 4214, 4410, 4515, 5362, 5418, 5745, 5805, 6321, 6615, 6894, 8043, 8127, 9030, 10341, 10535, 11490, 11610, 12642, 13230, 13405, 13545, 16086, 16254, 16469, 17235, 18767, 18963, 20682, 21070, 24129, 26810, 27090, 31605, 32938, 34470, 37534, 37926, 40215, 40635, 48258, 49407, 51705, 56301, 56889, 63210, 72387, 80430, 81270, 82345, 93835, 94815, 98814, 103410, 112602, 113778, 115283, 120645, 144774, 148221, 164690, 168903, 187670, 189630, 230566, 241290, 247035, 281505, 284445, 296442, 337806, 345849, 361935, 444663, 494070, 506709, 563010, 568890, 576415, 691698, 723870, 741105, 806981, 844515, 889326, 1013418, 1037547, 1152830, 1482210, 1613962, 1689030, 1729245, 2075094, 2223315, 2420943, 2533545, 3112641, 3458490, 4034905, 4446630, 4841886, 5067090, 5187735, 6225282, 7262829, 8069810, 10375470, 12104715, 14525658, 15563205, 21788487, 24209430, 31126410, 36314145, 43576974, 72628290, 108942435, 217884870]

約数ペア:

[(1, 217884870), (2, 108942435), (3, 72628290), (5, 43576974), (6, 36314145), (7, 31126410), (9, 24209430), (10, 21788487), (14, 15563205), (15, 14525658), (18, 12104715), (21, 10375470), (27, 8069810), (30, 7262829), (35, 6225282), (42, 5187735), (43, 5067090), (45, 4841886), (49, 4446630), (54, 4034905), (63, 3458490), (70, 3112641), (86, 2533545), (90, 2420943), (98, 2223315), (105, 2075094), (126, 1729245), (129, 1689030), (135, 1613962), (147, 1482210), (189, 1152830), (210, 1037547), (215, 1013418), (245, 889326), (258, 844515), (270, 806981), (294, 741105), (301, 723870), (315, 691698), (378, 576415), (383, 568890), (387, 563010), (430, 506709), (441, 494070), (490, 444663), (602, 361935), (630, 345849), (645, 337806), (735, 296442), (766, 284445), (774, 281505), (882, 247035), (903, 241290), (945, 230566), (1149, 189630), (1161, 187670), (1290, 168903), (1323, 164690), (1470, 148221), (1505, 144774), (1806, 120645), (1890, 115283), (1915, 113778), (1935, 112602), (2107, 103410), (2205, 98814), (2298, 94815), (2322, 93835), (2646, 82345), (2681, 81270), (2709, 80430), (3010, 72387), (3447, 63210), (3830, 56889), (3870, 56301), (4214, 51705), (4410, 49407), (4515, 48258), (5362, 40635), (5418, 40215), (5745, 37926), (5805, 37534), (6321, 34470), (6615, 32938), (6894, 31605), (8043, 27090), (8127, 26810), (9030, 24129), (10341, 21070), (10535, 20682), (11490, 18963), (11610, 18767), (12642, 17235), (13230, 16469), (13405, 16254), (13545, 16086)]