280124920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{4093}}^1$

素因数の和:4192

約数の個数: 64

約数和(自身を含む): 663228000

約数和(自身を除く): 383103080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 472, 580, 590, 1160, 1180, 1711, 2360, 3422, 4093, 6844, 8186, 8555, 13688, 16372, 17110, 20465, 32744, 34220, 40930, 68440, 81860, 118697, 163720, 237394, 241487, 474788, 482974, 593485, 949576, 965948, 1186970, 1207435, 1931896, 2373940, 2414870, 4747880, 4829740, 7003123, 9659480, 14006246, 28012492, 35015615, 56024984, 70031230, 140062460, 280124920]

約数ペア:

[(1, 280124920), (2, 140062460), (4, 70031230), (5, 56024984), (8, 35015615), (10, 28012492), (20, 14006246), (29, 9659480), (40, 7003123), (58, 4829740), (59, 4747880), (116, 2414870), (118, 2373940), (145, 1931896), (232, 1207435), (236, 1186970), (290, 965948), (295, 949576), (472, 593485), (580, 482974), (590, 474788), (1160, 241487), (1180, 237394), (1711, 163720), (2360, 118697), (3422, 81860), (4093, 68440), (6844, 40930), (8186, 34220), (8555, 32744), (13688, 20465), (16372, 17110)]