248190880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31657}}^1$

素因数の和:31686

約数の個数: 72

約数和(自身を含む): 682103268

約数和(自身を除く): 433912388

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 31657, 63314, 126628, 158285, 221599, 253256, 316570, 443198, 506512, 633140, 886396, 1013024, 1107995, 1266280, 1551193, 1772792, 2215990, 2532560, 3102386, 3545584, 4431980, 5065120, 6204772, 7091168, 7755965, 8863960, 12409544, 15511930, 17727920, 24819088, 31023860, 35455840, 49638176, 62047720, 124095440, 248190880]

約数ペア:

[(1, 248190880), (2, 124095440), (4, 62047720), (5, 49638176), (7, 35455840), (8, 31023860), (10, 24819088), (14, 17727920), (16, 15511930), (20, 12409544), (28, 8863960), (32, 7755965), (35, 7091168), (40, 6204772), (49, 5065120), (56, 4431980), (70, 3545584), (80, 3102386), (98, 2532560), (112, 2215990), (140, 1772792), (160, 1551193), (196, 1266280), (224, 1107995), (245, 1013024), (280, 886396), (392, 633140), (490, 506512), (560, 443198), (784, 316570), (980, 253256), (1120, 221599), (1568, 158285), (1960, 126628), (3920, 63314), (7840, 31657)]