197443640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73673}}^1$

素因数の和:73751

約数の個数: 32

約数和(自身を含む): 450884880

約数和(自身を除く): 253441240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 73673, 147346, 294692, 368365, 589384, 736730, 1473460, 2946920, 4936091, 9872182, 19744364, 24680455, 39488728, 49360910, 98721820, 197443640]

約数ペア:

[(1, 197443640), (2, 98721820), (4, 49360910), (5, 39488728), (8, 24680455), (10, 19744364), (20, 9872182), (40, 4936091), (67, 2946920), (134, 1473460), (268, 736730), (335, 589384), (536, 368365), (670, 294692), (1340, 147346), (2680, 73673)]