442487680

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6343}}^1$

素因数の和:6471

約数の個数: 64

約数和(自身を含む): 1067695200

約数和(自身を除く): 625207520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1744, 2180, 3488, 4360, 6343, 6976, 8720, 12686, 13952, 17440, 25372, 31715, 34880, 50744, 63430, 69760, 101488, 126860, 202976, 253720, 405952, 507440, 691387, 811904, 1014880, 1382774, 2029760, 2765548, 3456935, 4059520, 5531096, 6913870, 11062192, 13827740, 22124384, 27655480, 44248768, 55310960, 88497536, 110621920, 221243840, 442487680]

約数ペア:

[(1, 442487680), (2, 221243840), (4, 110621920), (5, 88497536), (8, 55310960), (10, 44248768), (16, 27655480), (20, 22124384), (32, 13827740), (40, 11062192), (64, 6913870), (80, 5531096), (109, 4059520), (128, 3456935), (160, 2765548), (218, 2029760), (320, 1382774), (436, 1014880), (545, 811904), (640, 691387), (872, 507440), (1090, 405952), (1744, 253720), (2180, 202976), (3488, 126860), (4360, 101488), (6343, 69760), (6976, 63430), (8720, 50744), (12686, 34880), (13952, 31715), (17440, 25372)]