28207480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100741}}^1$

素因数の和:100759

約数の個数: 32

約数和(自身を含む): 72534240

約数和(自身を除く): 44326760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100741, 201482, 402964, 503705, 705187, 805928, 1007410, 1410374, 2014820, 2820748, 3525935, 4029640, 5641496, 7051870, 14103740, 28207480]

約数ペア:

[(1, 28207480), (2, 14103740), (4, 7051870), (5, 5641496), (7, 4029640), (8, 3525935), (10, 2820748), (14, 2014820), (20, 1410374), (28, 1007410), (35, 805928), (40, 705187), (56, 503705), (70, 402964), (140, 201482), (280, 100741)]