30769480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109891}}^1$

素因数の和:109909

約数の個数: 32

約数和(自身を含む): 79122240

約数和(自身を除く): 48352760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109891, 219782, 439564, 549455, 769237, 879128, 1098910, 1538474, 2197820, 3076948, 3846185, 4395640, 6153896, 7692370, 15384740, 30769480]

約数ペア:

[(1, 30769480), (2, 15384740), (4, 7692370), (5, 6153896), (7, 4395640), (8, 3846185), (10, 3076948), (14, 2197820), (20, 1538474), (28, 1098910), (35, 879128), (40, 769237), (56, 549455), (70, 439564), (140, 219782), (280, 109891)]