155577980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{338213}}^1$

素因数の和:338245

約数の個数: 24

約数和(自身を含む): 340919712

約数和(自身を除く): 185341732

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 338213, 676426, 1352852, 1691065, 3382130, 6764260, 7778899, 15557798, 31115596, 38894495, 77788990, 155577980]

約数ペア:

[(1, 155577980), (2, 77788990), (4, 38894495), (5, 31115596), (10, 15557798), (20, 7778899), (23, 6764260), (46, 3382130), (92, 1691065), (115, 1352852), (230, 676426), (460, 338213)]