198278010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{2141}}^1$

素因数の和:2178

約数の個数: 128

約数和(自身を含む): 616896000

約数和(自身を除く): 418617990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 343, 378, 441, 490, 630, 686, 735, 882, 945, 1029, 1323, 1470, 1715, 1890, 2058, 2141, 2205, 2646, 3087, 3430, 4282, 4410, 5145, 6174, 6423, 6615, 9261, 10290, 10705, 12846, 13230, 14987, 15435, 18522, 19269, 21410, 29974, 30870, 32115, 38538, 44961, 46305, 57807, 64230, 74935, 89922, 92610, 96345, 104909, 115614, 134883, 149870, 192690, 209818, 224805, 269766, 289035, 314727, 404649, 449610, 524545, 578070, 629454, 674415, 734363, 809298, 944181, 1049090, 1348830, 1468726, 1573635, 1888362, 2023245, 2203089, 2832543, 3147270, 3671815, 4046490, 4406178, 4720905, 5665086, 6609267, 7343630, 9441810, 11015445, 13218534, 14162715, 19827801, 22030890, 28325430, 33046335, 39655602, 66092670, 99139005, 198278010]

約数ペア:

[(1, 198278010), (2, 99139005), (3, 66092670), (5, 39655602), (6, 33046335), (7, 28325430), (9, 22030890), (10, 19827801), (14, 14162715), (15, 13218534), (18, 11015445), (21, 9441810), (27, 7343630), (30, 6609267), (35, 5665086), (42, 4720905), (45, 4406178), (49, 4046490), (54, 3671815), (63, 3147270), (70, 2832543), (90, 2203089), (98, 2023245), (105, 1888362), (126, 1573635), (135, 1468726), (147, 1348830), (189, 1049090), (210, 944181), (245, 809298), (270, 734363), (294, 674415), (315, 629454), (343, 578070), (378, 524545), (441, 449610), (490, 404649), (630, 314727), (686, 289035), (735, 269766), (882, 224805), (945, 209818), (1029, 192690), (1323, 149870), (1470, 134883), (1715, 115614), (1890, 104909), (2058, 96345), (2141, 92610), (2205, 89922), (2646, 74935), (3087, 64230), (3430, 57807), (4282, 46305), (4410, 44961), (5145, 38538), (6174, 32115), (6423, 30870), (6615, 29974), (9261, 21410), (10290, 19269), (10705, 18522), (12846, 15435), (13230, 14987)]