153408740

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^2\times {\mathrm{397}}^1$

素因数の和:684

約数の個数: 36

約数和(自身を含む): 325310076

約数和(自身を除く): 171901336

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 397, 556, 695, 794, 1390, 1588, 1985, 2780, 3970, 7940, 19321, 38642, 55183, 77284, 96605, 110366, 193210, 220732, 275915, 386420, 551830, 1103660, 7670437, 15340874, 30681748, 38352185, 76704370, 153408740]

約数ペア:

[(1, 153408740), (2, 76704370), (4, 38352185), (5, 30681748), (10, 15340874), (20, 7670437), (139, 1103660), (278, 551830), (397, 386420), (556, 275915), (695, 220732), (794, 193210), (1390, 110366), (1588, 96605), (1985, 77284), (2780, 55183), (3970, 38642), (7940, 19321)]