1377777850

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{757}}^1$

素因数の和:1267

約数の個数: 48

約数和(自身を含む): 2601228600

約数和(自身を除く): 1223450750

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 409, 445, 757, 818, 890, 1514, 2045, 2225, 3785, 4090, 4450, 7570, 10225, 18925, 20450, 36401, 37850, 67373, 72802, 134746, 182005, 309613, 336865, 364010, 619226, 673730, 910025, 1548065, 1684325, 1820050, 3096130, 3368650, 7740325, 15480650, 27555557, 55111114, 137777785, 275555570, 688888925, 1377777850]

約数ペア:

[(1, 1377777850), (2, 688888925), (5, 275555570), (10, 137777785), (25, 55111114), (50, 27555557), (89, 15480650), (178, 7740325), (409, 3368650), (445, 3096130), (757, 1820050), (818, 1684325), (890, 1548065), (1514, 910025), (2045, 673730), (2225, 619226), (3785, 364010), (4090, 336865), (4450, 309613), (7570, 182005), (10225, 134746), (18925, 72802), (20450, 67373), (36401, 37850)]