196103420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{138101}}^1$

素因数の和:138181

約数の個数: 24

約数和(自身を含む): 417620448

約数和(自身を除く): 221517028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 138101, 276202, 552404, 690505, 1381010, 2762020, 9805171, 19610342, 39220684, 49025855, 98051710, 196103420]

約数ペア:

[(1, 196103420), (2, 98051710), (4, 49025855), (5, 39220684), (10, 19610342), (20, 9805171), (71, 2762020), (142, 1381010), (284, 690505), (355, 552404), (710, 276202), (1420, 138101)]