198481100

素因数分解:

$2^2\times 5^2\times {\mathrm{257}}^1\times {\mathrm{7723}}^1$

素因数の和:7994

約数の個数: 36

約数和(自身を含む): 432435864

約数和(自身を除く): 233954764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 257, 514, 1028, 1285, 2570, 5140, 6425, 7723, 12850, 15446, 25700, 30892, 38615, 77230, 154460, 193075, 386150, 772300, 1984811, 3969622, 7939244, 9924055, 19848110, 39696220, 49620275, 99240550, 198481100]

約数ペア:

[(1, 198481100), (2, 99240550), (4, 49620275), (5, 39696220), (10, 19848110), (20, 9924055), (25, 7939244), (50, 3969622), (100, 1984811), (257, 772300), (514, 386150), (1028, 193075), (1285, 154460), (2570, 77230), (5140, 38615), (6425, 30892), (7723, 25700), (12850, 15446)]