221268280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{240509}}^1$

素因数の和:240543

約数の個数: 32

約数和(自身を含む): 519501600

約数和(自身を除く): 298233320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 240509, 481018, 962036, 1202545, 1924072, 2405090, 4810180, 5531707, 9620360, 11063414, 22126828, 27658535, 44253656, 55317070, 110634140, 221268280]

約数ペア:

[(1, 221268280), (2, 110634140), (4, 55317070), (5, 44253656), (8, 27658535), (10, 22126828), (20, 11063414), (23, 9620360), (40, 5531707), (46, 4810180), (92, 2405090), (115, 1924072), (184, 1202545), (230, 962036), (460, 481018), (920, 240509)]