208990040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4943}}^1$

素因数の和:5112

約数の個数: 64

約数和(自身を含む): 541071360

約数和(自身を除く): 332081320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 2114, 3020, 4228, 4943, 5285, 6040, 8456, 9886, 10570, 19772, 21140, 24715, 34601, 39544, 42280, 49430, 69202, 98860, 138404, 173005, 197720, 276808, 346010, 692020, 746393, 1384040, 1492786, 2985572, 3731965, 5224751, 5971144, 7463930, 10449502, 14927860, 20899004, 26123755, 29855720, 41798008, 52247510, 104495020, 208990040]

約数ペア:

[(1, 208990040), (2, 104495020), (4, 52247510), (5, 41798008), (7, 29855720), (8, 26123755), (10, 20899004), (14, 14927860), (20, 10449502), (28, 7463930), (35, 5971144), (40, 5224751), (56, 3731965), (70, 2985572), (140, 1492786), (151, 1384040), (280, 746393), (302, 692020), (604, 346010), (755, 276808), (1057, 197720), (1208, 173005), (1510, 138404), (2114, 98860), (3020, 69202), (4228, 49430), (4943, 42280), (5285, 39544), (6040, 34601), (8456, 24715), (9886, 21140), (10570, 19772)]