8921080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 23201280

約数和(自身を除く): 14280200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 211, 280, 302, 422, 604, 755, 844, 1055, 1057, 1208, 1477, 1510, 1688, 2110, 2114, 2954, 3020, 4220, 4228, 5285, 5908, 6040, 7385, 8440, 8456, 10570, 11816, 14770, 21140, 29540, 31861, 42280, 59080, 63722, 127444, 159305, 223027, 254888, 318610, 446054, 637220, 892108, 1115135, 1274440, 1784216, 2230270, 4460540, 8921080]

約数ペア:

[(1, 8921080), (2, 4460540), (4, 2230270), (5, 1784216), (7, 1274440), (8, 1115135), (10, 892108), (14, 637220), (20, 446054), (28, 318610), (35, 254888), (40, 223027), (56, 159305), (70, 127444), (140, 63722), (151, 59080), (211, 42280), (280, 31861), (302, 29540), (422, 21140), (604, 14770), (755, 11816), (844, 10570), (1055, 8456), (1057, 8440), (1208, 7385), (1477, 6040), (1510, 5908), (1688, 5285), (2110, 4228), (2114, 4220), (2954, 3020)]