42885290

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{12503}}^1$

素因数の和:12531

約数の個数: 32

約数和(自身を含む): 90028800

約数和(自身を除く): 47143510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 12503, 25006, 62515, 87521, 125030, 175042, 437605, 612647, 875210, 1225294, 3063235, 4288529, 6126470, 8577058, 21442645, 42885290]

約数ペア:

[(1, 42885290), (2, 21442645), (5, 8577058), (7, 6126470), (10, 4288529), (14, 3063235), (35, 1225294), (49, 875210), (70, 612647), (98, 437605), (245, 175042), (343, 125030), (490, 87521), (686, 62515), (1715, 25006), (3430, 12503)]