71575420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2423}}^1$

素因数の和:2650

約数の個数: 48

約数和(自身を含む): 172666368

約数和(自身を除く): 101090948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2423, 2954, 4220, 4846, 5908, 7385, 9692, 12115, 14770, 16961, 24230, 29540, 33922, 48460, 67844, 84805, 169610, 339220, 511253, 1022506, 2045012, 2556265, 3578771, 5112530, 7157542, 10225060, 14315084, 17893855, 35787710, 71575420]

約数ペア:

[(1, 71575420), (2, 35787710), (4, 17893855), (5, 14315084), (7, 10225060), (10, 7157542), (14, 5112530), (20, 3578771), (28, 2556265), (35, 2045012), (70, 1022506), (140, 511253), (211, 339220), (422, 169610), (844, 84805), (1055, 67844), (1477, 48460), (2110, 33922), (2423, 29540), (2954, 24230), (4220, 16961), (4846, 14770), (5908, 12115), (7385, 9692)]