199943690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{689461}}^1$

素因数の和:689497

約数の個数: 16

約数和(自身を含む): 372309480

約数和(自身を除く): 172365790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 689461, 1378922, 3447305, 6894610, 19994369, 39988738, 99971845, 199943690]

約数ペア:

[(1, 199943690), (2, 99971845), (5, 39988738), (10, 19994369), (29, 6894610), (58, 3447305), (145, 1378922), (290, 689461)]