42180860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 90853056

約数和(自身を除く): 48672196

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 167, 173, 292, 334, 346, 365, 668, 692, 730, 835, 865, 1460, 1670, 1730, 3340, 3460, 12191, 12629, 24382, 25258, 28891, 48764, 50516, 57782, 60955, 63145, 115564, 121910, 126290, 144455, 243820, 252580, 288910, 577820, 2109043, 4218086, 8436172, 10545215, 21090430, 42180860]

約数ペア:

[(1, 42180860), (2, 21090430), (4, 10545215), (5, 8436172), (10, 4218086), (20, 2109043), (73, 577820), (146, 288910), (167, 252580), (173, 243820), (292, 144455), (334, 126290), (346, 121910), (365, 115564), (668, 63145), (692, 60955), (730, 57782), (835, 50516), (865, 48764), (1460, 28891), (1670, 25258), (1730, 24382), (3340, 12629), (3460, 12191)]