85758820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{87509}}^1$

素因数の和:87532

約数の個数: 36

約数和(自身を含む): 209498940

約数和(自身を除く): 123740120

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 87509, 175018, 350036, 437545, 612563, 875090, 1225126, 1750180, 2450252, 3062815, 4287941, 6125630, 8575882, 12251260, 17151764, 21439705, 42879410, 85758820]

約数ペア:

[(1, 85758820), (2, 42879410), (4, 21439705), (5, 17151764), (7, 12251260), (10, 8575882), (14, 6125630), (20, 4287941), (28, 3062815), (35, 2450252), (49, 1750180), (70, 1225126), (98, 875090), (140, 612563), (196, 437545), (245, 350036), (490, 175018), (980, 87509)]