247984390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{56747}}^1$

素因数の和:56796

約数の個数: 32

約数和(自身を含む): 490302720

約数和(自身を除く): 242318330

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 56747, 113494, 283735, 567470, 1078193, 1305181, 2156386, 2610362, 5390965, 6525905, 10781930, 13051810, 24798439, 49596878, 123992195, 247984390]

約数ペア:

[(1, 247984390), (2, 123992195), (5, 49596878), (10, 24798439), (19, 13051810), (23, 10781930), (38, 6525905), (46, 5390965), (95, 2610362), (115, 2156386), (190, 1305181), (230, 1078193), (437, 567470), (874, 283735), (2185, 113494), (4370, 56747)]