273067640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 625268160

約数和(自身を除く): 352200520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 257, 263, 404, 505, 514, 526, 808, 1010, 1028, 1052, 1285, 1315, 2020, 2056, 2104, 2570, 2630, 4040, 5140, 5260, 10280, 10520, 25957, 26563, 51914, 53126, 67591, 103828, 106252, 129785, 132815, 135182, 207656, 212504, 259570, 265630, 270364, 337955, 519140, 531260, 540728, 675910, 1038280, 1062520, 1351820, 2703640, 6826691, 13653382, 27306764, 34133455, 54613528, 68266910, 136533820, 273067640]

約数ペア:

[(1, 273067640), (2, 136533820), (4, 68266910), (5, 54613528), (8, 34133455), (10, 27306764), (20, 13653382), (40, 6826691), (101, 2703640), (202, 1351820), (257, 1062520), (263, 1038280), (404, 675910), (505, 540728), (514, 531260), (526, 519140), (808, 337955), (1010, 270364), (1028, 265630), (1052, 259570), (1285, 212504), (1315, 207656), (2020, 135182), (2056, 132815), (2104, 129785), (2570, 106252), (2630, 103828), (4040, 67591), (5140, 53126), (5260, 51914), (10280, 26563), (10520, 25957)]