389634280

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{4057}}^1$

素因数の和:4096

約数の個数: 80

約数和(自身を含む): 1022981220

約数和(自身を除く): 633346940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2401, 2744, 3430, 4057, 4802, 6860, 8114, 9604, 12005, 13720, 16228, 19208, 20285, 24010, 28399, 32456, 40570, 48020, 56798, 81140, 96040, 113596, 141995, 162280, 198793, 227192, 283990, 397586, 567980, 795172, 993965, 1135960, 1391551, 1590344, 1987930, 2783102, 3975860, 5566204, 6957755, 7951720, 9740857, 11132408, 13915510, 19481714, 27831020, 38963428, 48704285, 55662040, 77926856, 97408570, 194817140, 389634280]

約数ペア:

[(1, 389634280), (2, 194817140), (4, 97408570), (5, 77926856), (7, 55662040), (8, 48704285), (10, 38963428), (14, 27831020), (20, 19481714), (28, 13915510), (35, 11132408), (40, 9740857), (49, 7951720), (56, 6957755), (70, 5566204), (98, 3975860), (140, 2783102), (196, 1987930), (245, 1590344), (280, 1391551), (343, 1135960), (392, 993965), (490, 795172), (686, 567980), (980, 397586), (1372, 283990), (1715, 227192), (1960, 198793), (2401, 162280), (2744, 141995), (3430, 113596), (4057, 96040), (4802, 81140), (6860, 56798), (8114, 48020), (9604, 40570), (12005, 32456), (13720, 28399), (16228, 24010), (19208, 20285)]