2021649875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 3053107200

約数和(自身を除く): 1031457325

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 277, 439, 475, 665, 875, 1385, 1939, 2195, 2375, 3073, 3325, 5263, 6925, 8341, 9695, 10975, 15365, 16625, 26315, 34625, 36841, 41705, 48475, 54875, 58387, 76825, 121603, 131575, 184205, 208525, 242375, 291935, 384125, 608015, 657875, 851221, 921025, 1042625, 1459675, 2310457, 3040075, 4256105, 4605125, 7298375, 11552285, 15200375, 16173199, 21280525, 57761425, 80865995, 106402625, 288807125, 404329975, 2021649875]

約数ペア:

[(1, 2021649875), (5, 404329975), (7, 288807125), (19, 106402625), (25, 80865995), (35, 57761425), (95, 21280525), (125, 16173199), (133, 15200375), (175, 11552285), (277, 7298375), (439, 4605125), (475, 4256105), (665, 3040075), (875, 2310457), (1385, 1459675), (1939, 1042625), (2195, 921025), (2375, 851221), (3073, 657875), (3325, 608015), (5263, 384125), (6925, 291935), (8341, 242375), (9695, 208525), (10975, 184205), (15365, 131575), (16625, 121603), (26315, 76825), (34625, 58387), (36841, 54875), (41705, 48475)]