157055290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{320521}}^1$

素因数の和:320542

約数の個数: 24

約数和(自身を含む): 328855572

約数和(自身を除く): 171800282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 320521, 641042, 1602605, 2243647, 3205210, 4487294, 11218235, 15705529, 22436470, 31411058, 78527645, 157055290]

約数ペア:

[(1, 157055290), (2, 78527645), (5, 31411058), (7, 22436470), (10, 15705529), (14, 11218235), (35, 4487294), (49, 3205210), (70, 2243647), (98, 1602605), (245, 641042), (490, 320521)]