74988280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81509}}^1$

素因数の和:81543

約数の個数: 32

約数和(自身を含む): 176061600

約数和(自身を除く): 101073320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 81509, 163018, 326036, 407545, 652072, 815090, 1630180, 1874707, 3260360, 3749414, 7498828, 9373535, 14997656, 18747070, 37494140, 74988280]

約数ペア:

[(1, 74988280), (2, 37494140), (4, 18747070), (5, 14997656), (8, 9373535), (10, 7498828), (20, 3749414), (23, 3260360), (40, 1874707), (46, 1630180), (92, 815090), (115, 652072), (184, 407545), (230, 326036), (460, 163018), (920, 81509)]