199983710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{689599}}^1$

素因数の和:689635

約数の個数: 16

約数和(自身を含む): 372384000

約数和(自身を除く): 172400290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 689599, 1379198, 3447995, 6895990, 19998371, 39996742, 99991855, 199983710]

約数ペア:

[(1, 199983710), (2, 99991855), (5, 39996742), (10, 19998371), (29, 6895990), (58, 3447995), (145, 1379198), (290, 689599)]