85386280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{653}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 220371840

約数和(自身を除く): 134985560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 467, 653, 934, 1306, 1868, 2335, 2612, 3265, 3269, 3736, 4571, 4670, 5224, 6530, 6538, 9142, 9340, 13060, 13076, 16345, 18284, 18680, 22855, 26120, 26152, 32690, 36568, 45710, 65380, 91420, 130760, 182840, 304951, 609902, 1219804, 1524755, 2134657, 2439608, 3049510, 4269314, 6099020, 8538628, 10673285, 12198040, 17077256, 21346570, 42693140, 85386280]

約数ペア:

[(1, 85386280), (2, 42693140), (4, 21346570), (5, 17077256), (7, 12198040), (8, 10673285), (10, 8538628), (14, 6099020), (20, 4269314), (28, 3049510), (35, 2439608), (40, 2134657), (56, 1524755), (70, 1219804), (140, 609902), (280, 304951), (467, 182840), (653, 130760), (934, 91420), (1306, 65380), (1868, 45710), (2335, 36568), (2612, 32690), (3265, 26152), (3269, 26120), (3736, 22855), (4571, 18680), (4670, 18284), (5224, 16345), (6530, 13076), (6538, 13060), (9142, 9340)]