31220235620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1\times {\mathrm{4201}}^1$

素因数の和:4813

約数の個数: 96

約数和(自身を含む): 75789288960

約数和(自身を除く): 44569053340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 487, 545, 763, 974, 1090, 1526, 1948, 2180, 2435, 3052, 3409, 3815, 4201, 4870, 6818, 7630, 8402, 9740, 13636, 15260, 16804, 17045, 21005, 29407, 34090, 42010, 53083, 58814, 68180, 84020, 106166, 117628, 147035, 212332, 265415, 294070, 371581, 457909, 530830, 588140, 743162, 915818, 1061660, 1486324, 1831636, 1857905, 2045887, 2289545, 3205363, 3715810, 4091774, 4579090, 6410726, 7431620, 8183548, 9158180, 10229435, 12821452, 14321209, 16026815, 20458870, 28642418, 32053630, 40917740, 57284836, 64107260, 71606045, 143212090, 223001683, 286424180, 446003366, 892006732, 1115008415, 1561011781, 2230016830, 3122023562, 4460033660, 6244047124, 7805058905, 15610117810, 31220235620]

約数ペア:

[(1, 31220235620), (2, 15610117810), (4, 7805058905), (5, 6244047124), (7, 4460033660), (10, 3122023562), (14, 2230016830), (20, 1561011781), (28, 1115008415), (35, 892006732), (70, 446003366), (109, 286424180), (140, 223001683), (218, 143212090), (436, 71606045), (487, 64107260), (545, 57284836), (763, 40917740), (974, 32053630), (1090, 28642418), (1526, 20458870), (1948, 16026815), (2180, 14321209), (2435, 12821452), (3052, 10229435), (3409, 9158180), (3815, 8183548), (4201, 7431620), (4870, 6410726), (6818, 4579090), (7630, 4091774), (8402, 3715810), (9740, 3205363), (13636, 2289545), (15260, 2045887), (16804, 1857905), (17045, 1831636), (21005, 1486324), (29407, 1061660), (34090, 915818), (42010, 743162), (53083, 588140), (58814, 530830), (68180, 457909), (84020, 371581), (106166, 294070), (117628, 265415), (147035, 212332)]