89721650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1523

約数の個数: 48

約数和(自身を含む): 176774400

約数和(自身を除く): 87052750

約数列:

[1, 2, 5, 10, 25, 29, 43, 50, 58, 86, 145, 215, 290, 430, 725, 1075, 1247, 1439, 1450, 2150, 2494, 2878, 6235, 7195, 12470, 14390, 31175, 35975, 41731, 61877, 62350, 71950, 83462, 123754, 208655, 309385, 417310, 618770, 1043275, 1546925, 1794433, 2086550, 3093850, 3588866, 8972165, 17944330, 44860825, 89721650]

約数ペア:

[(1, 89721650), (2, 44860825), (5, 17944330), (10, 8972165), (25, 3588866), (29, 3093850), (43, 2086550), (50, 1794433), (58, 1546925), (86, 1043275), (145, 618770), (215, 417310), (290, 309385), (430, 208655), (725, 123754), (1075, 83462), (1247, 71950), (1439, 62350), (1450, 61877), (2150, 41731), (2494, 35975), (2878, 31175), (6235, 14390), (7195, 12470)]