28309438220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8791751}}^1$

素因数の和:8791790

約数の個数: 48

約数和(自身を含む): 70896688128

約数和(自身を除く): 42587249908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8791751, 17583502, 35167004, 43958755, 61542257, 87917510, 123084514, 175835020, 202210273, 246169028, 307711285, 404420546, 615422570, 808841092, 1011051365, 1230845140, 1415471911, 2022102730, 2830943822, 4044205460, 5661887644, 7077359555, 14154719110, 28309438220]

約数ペア:

[(1, 28309438220), (2, 14154719110), (4, 7077359555), (5, 5661887644), (7, 4044205460), (10, 2830943822), (14, 2022102730), (20, 1415471911), (23, 1230845140), (28, 1011051365), (35, 808841092), (46, 615422570), (70, 404420546), (92, 307711285), (115, 246169028), (140, 202210273), (161, 175835020), (230, 123084514), (322, 87917510), (460, 61542257), (644, 43958755), (805, 35167004), (1610, 17583502), (3220, 8791751)]