219612280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{238709}}^1$

素因数の和:238743

約数の個数: 32

約数和(自身を含む): 515613600

約数和(自身を除く): 296001320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 238709, 477418, 954836, 1193545, 1909672, 2387090, 4774180, 5490307, 9548360, 10980614, 21961228, 27451535, 43922456, 54903070, 109806140, 219612280]

約数ペア:

[(1, 219612280), (2, 109806140), (4, 54903070), (5, 43922456), (8, 27451535), (10, 21961228), (20, 10980614), (23, 9548360), (40, 5490307), (46, 4774180), (92, 2387090), (115, 1909672), (184, 1193545), (230, 954836), (460, 477418), (920, 238709)]