128889470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{3761}}^1$

素因数の和:3940

約数の個数: 32

約数和(自身を含む): 243777600

約数和(自身を除く): 114888130

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 745, 1490, 3427, 3761, 6854, 7522, 17135, 18805, 34270, 37610, 86503, 173006, 432515, 560389, 865030, 1120778, 2801945, 5603890, 12888947, 25777894, 64444735, 128889470]

約数ペア:

[(1, 128889470), (2, 64444735), (5, 25777894), (10, 12888947), (23, 5603890), (46, 2801945), (115, 1120778), (149, 865030), (230, 560389), (298, 432515), (745, 173006), (1490, 86503), (3427, 37610), (3761, 34270), (6854, 18805), (7522, 17135)]