2988492080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{7723}}^1$

素因数の和:8434

約数の個数: 80

約数和(自身を含む): 7953371904

約数和(自身を除く): 4964879824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 691, 1382, 2764, 3455, 4837, 5528, 6910, 7723, 9674, 11056, 13820, 15446, 19348, 24185, 27640, 30892, 38615, 38696, 48370, 54061, 55280, 61784, 77230, 77392, 96740, 108122, 123568, 154460, 193480, 216244, 270305, 308920, 386960, 432488, 540610, 617840, 864976, 1081220, 2162440, 4324880, 5336593, 10673186, 21346372, 26682965, 37356151, 42692744, 53365930, 74712302, 85385488, 106731860, 149424604, 186780755, 213463720, 298849208, 373561510, 426927440, 597698416, 747123020, 1494246040, 2988492080]

約数ペア:

[(1, 2988492080), (2, 1494246040), (4, 747123020), (5, 597698416), (7, 426927440), (8, 373561510), (10, 298849208), (14, 213463720), (16, 186780755), (20, 149424604), (28, 106731860), (35, 85385488), (40, 74712302), (56, 53365930), (70, 42692744), (80, 37356151), (112, 26682965), (140, 21346372), (280, 10673186), (560, 5336593), (691, 4324880), (1382, 2162440), (2764, 1081220), (3455, 864976), (4837, 617840), (5528, 540610), (6910, 432488), (7723, 386960), (9674, 308920), (11056, 270305), (13820, 216244), (15446, 193480), (19348, 154460), (24185, 123568), (27640, 108122), (30892, 96740), (38615, 77392), (38696, 77230), (48370, 61784), (54061, 55280)]