642012340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1395679}}^1$

素因数の和:1395711

約数の個数: 24

約数和(自身を含む): 1406845440

約数和(自身を除く): 764833100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1395679, 2791358, 5582716, 6978395, 13956790, 27913580, 32100617, 64201234, 128402468, 160503085, 321006170, 642012340]

約数ペア:

[(1, 642012340), (2, 321006170), (4, 160503085), (5, 128402468), (10, 64201234), (20, 32100617), (23, 27913580), (46, 13956790), (92, 6978395), (115, 5582716), (230, 2791358), (460, 1395679)]