61538260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439559}}^1$

素因数の和:439575

約数の個数: 24

約数和(自身を含む): 147692160

約数和(自身を除く): 86153900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439559, 879118, 1758236, 2197795, 3076913, 4395590, 6153826, 8791180, 12307652, 15384565, 30769130, 61538260]

約数ペア:

[(1, 61538260), (2, 30769130), (4, 15384565), (5, 12307652), (7, 8791180), (10, 6153826), (14, 4395590), (20, 3076913), (28, 2197795), (35, 1758236), (70, 879118), (140, 439559)]