70288280

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{7741}}^1$

素因数の和:7979

約数の個数: 32

約数和(自身を含む): 158865840

約数和(自身を除く): 88577560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 7741, 9080, 15482, 30964, 38705, 61928, 77410, 154820, 309640, 1757207, 3514414, 7028828, 8786035, 14057656, 17572070, 35144140, 70288280]

約数ペア:

[(1, 70288280), (2, 35144140), (4, 17572070), (5, 14057656), (8, 8786035), (10, 7028828), (20, 3514414), (40, 1757207), (227, 309640), (454, 154820), (908, 77410), (1135, 61928), (1816, 38705), (2270, 30964), (4540, 15482), (7741, 9080)]