30450280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108751}}^1$

素因数の和:108769

約数の個数: 32

約数和(自身を含む): 78301440

約数和(自身を除く): 47851160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108751, 217502, 435004, 543755, 761257, 870008, 1087510, 1522514, 2175020, 3045028, 3806285, 4350040, 6090056, 7612570, 15225140, 30450280]

約数ペア:

[(1, 30450280), (2, 15225140), (4, 7612570), (5, 6090056), (7, 4350040), (8, 3806285), (10, 3045028), (14, 2175020), (20, 1522514), (28, 1087510), (35, 870008), (40, 761257), (56, 543755), (70, 435004), (140, 217502), (280, 108751)]