297214520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 682603200

約数和(自身を除く): 385388680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 229, 284, 355, 457, 458, 568, 710, 914, 916, 1145, 1420, 1828, 1832, 2285, 2290, 2840, 3656, 4570, 4580, 9140, 9160, 16259, 18280, 32447, 32518, 64894, 65036, 81295, 104653, 129788, 130072, 162235, 162590, 209306, 259576, 324470, 325180, 418612, 523265, 648940, 650360, 837224, 1046530, 1297880, 2093060, 4186120, 7430363, 14860726, 29721452, 37151815, 59442904, 74303630, 148607260, 297214520]

約数ペア:

[(1, 297214520), (2, 148607260), (4, 74303630), (5, 59442904), (8, 37151815), (10, 29721452), (20, 14860726), (40, 7430363), (71, 4186120), (142, 2093060), (229, 1297880), (284, 1046530), (355, 837224), (457, 650360), (458, 648940), (568, 523265), (710, 418612), (914, 325180), (916, 324470), (1145, 259576), (1420, 209306), (1828, 162590), (1832, 162235), (2285, 130072), (2290, 129788), (2840, 104653), (3656, 81295), (4570, 65036), (4580, 64894), (9140, 32518), (9160, 32447), (16259, 18280)]