78639290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2741}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 150042240

約数和(自身を除く): 71402950

約数列:

[1, 2, 5, 10, 19, 38, 95, 151, 190, 302, 755, 1510, 2741, 2869, 5482, 5738, 13705, 14345, 27410, 28690, 52079, 104158, 260395, 413891, 520790, 827782, 2069455, 4138910, 7863929, 15727858, 39319645, 78639290]

約数ペア:

[(1, 78639290), (2, 39319645), (5, 15727858), (10, 7863929), (19, 4138910), (38, 2069455), (95, 827782), (151, 520790), (190, 413891), (302, 260395), (755, 104158), (1510, 52079), (2741, 28690), (2869, 27410), (5482, 14345), (5738, 13705)]