204867680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:832

約数の個数: 96

約数和(自身を含む): 517920480

約数和(自身を除く): 313052800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 109, 136, 160, 170, 218, 272, 340, 436, 544, 545, 680, 691, 872, 1090, 1360, 1382, 1744, 1853, 2180, 2720, 2764, 3455, 3488, 3706, 4360, 5528, 6910, 7412, 8720, 9265, 11056, 11747, 13820, 14824, 17440, 18530, 22112, 23494, 27640, 29648, 37060, 46988, 55280, 58735, 59296, 74120, 75319, 93976, 110560, 117470, 148240, 150638, 187952, 234940, 296480, 301276, 375904, 376595, 469880, 602552, 753190, 939760, 1205104, 1280423, 1506380, 1879520, 2410208, 2560846, 3012760, 5121692, 6025520, 6402115, 10243384, 12051040, 12804230, 20486768, 25608460, 40973536, 51216920, 102433840, 204867680]

約数ペア:

[(1, 204867680), (2, 102433840), (4, 51216920), (5, 40973536), (8, 25608460), (10, 20486768), (16, 12804230), (17, 12051040), (20, 10243384), (32, 6402115), (34, 6025520), (40, 5121692), (68, 3012760), (80, 2560846), (85, 2410208), (109, 1879520), (136, 1506380), (160, 1280423), (170, 1205104), (218, 939760), (272, 753190), (340, 602552), (436, 469880), (544, 376595), (545, 375904), (680, 301276), (691, 296480), (872, 234940), (1090, 187952), (1360, 150638), (1382, 148240), (1744, 117470), (1853, 110560), (2180, 93976), (2720, 75319), (2764, 74120), (3455, 59296), (3488, 58735), (3706, 55280), (4360, 46988), (5528, 37060), (6910, 29648), (7412, 27640), (8720, 23494), (9265, 22112), (11056, 18530), (11747, 17440), (13820, 14824)]