194173640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{68371}}^1$

素因数の和:68453

約数の個数: 32

約数和(自身を含む): 443050560

約数和(自身を除く): 248876920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 68371, 136742, 273484, 341855, 546968, 683710, 1367420, 2734840, 4854341, 9708682, 19417364, 24271705, 38834728, 48543410, 97086820, 194173640]

約数ペア:

[(1, 194173640), (2, 97086820), (4, 48543410), (5, 38834728), (8, 24271705), (10, 19417364), (20, 9708682), (40, 4854341), (71, 2734840), (142, 1367420), (284, 683710), (355, 546968), (568, 341855), (710, 273484), (1420, 136742), (2840, 68371)]