285430880

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{743}}^1$

素因数の和:786

約数の個数: 120

約数和(自身を含む): 787730832

約数和(自身を除く): 502299952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 743, 784, 980, 1120, 1372, 1486, 1568, 1715, 1960, 2401, 2744, 2972, 3430, 3715, 3920, 4802, 5201, 5488, 5944, 6860, 7430, 7840, 9604, 10402, 10976, 11888, 12005, 13720, 14860, 19208, 20804, 23776, 24010, 26005, 27440, 29720, 36407, 38416, 41608, 48020, 52010, 54880, 59440, 72814, 76832, 83216, 96040, 104020, 118880, 145628, 166432, 182035, 192080, 208040, 254849, 291256, 364070, 384160, 416080, 509698, 582512, 728140, 832160, 1019396, 1165024, 1274245, 1456280, 1783943, 2038792, 2548490, 2912560, 3567886, 4077584, 5096980, 5825120, 7135772, 8155168, 8919715, 10193960, 14271544, 17839430, 20387920, 28543088, 35678860, 40775840, 57086176, 71357720, 142715440, 285430880]

約数ペア:

[(1, 285430880), (2, 142715440), (4, 71357720), (5, 57086176), (7, 40775840), (8, 35678860), (10, 28543088), (14, 20387920), (16, 17839430), (20, 14271544), (28, 10193960), (32, 8919715), (35, 8155168), (40, 7135772), (49, 5825120), (56, 5096980), (70, 4077584), (80, 3567886), (98, 2912560), (112, 2548490), (140, 2038792), (160, 1783943), (196, 1456280), (224, 1274245), (245, 1165024), (280, 1019396), (343, 832160), (392, 728140), (490, 582512), (560, 509698), (686, 416080), (743, 384160), (784, 364070), (980, 291256), (1120, 254849), (1372, 208040), (1486, 192080), (1568, 182035), (1715, 166432), (1960, 145628), (2401, 118880), (2744, 104020), (2972, 96040), (3430, 83216), (3715, 76832), (3920, 72814), (4802, 59440), (5201, 54880), (5488, 52010), (5944, 48020), (6860, 41608), (7430, 38416), (7840, 36407), (9604, 29720), (10402, 27440), (10976, 26005), (11888, 24010), (12005, 23776), (13720, 20804), (14860, 19208)]