91419440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163249}}^1$

素因数の和:163269

約数の個数: 40

約数和(自身を含む): 242916000

約数和(自身を除く): 151496560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 163249, 326498, 652996, 816245, 1142743, 1305992, 1632490, 2285486, 2611984, 3264980, 4570972, 5713715, 6529960, 9141944, 11427430, 13059920, 18283888, 22854860, 45709720, 91419440]

約数ペア:

[(1, 91419440), (2, 45709720), (4, 22854860), (5, 18283888), (7, 13059920), (8, 11427430), (10, 9141944), (14, 6529960), (16, 5713715), (20, 4570972), (28, 3264980), (35, 2611984), (40, 2285486), (56, 1632490), (70, 1305992), (80, 1142743), (112, 816245), (140, 652996), (280, 326498), (560, 163249)]