209473090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{722321}}^1$

素因数の和:722357

約数の個数: 16

約数和(自身を含む): 390053880

約数和(自身を除く): 180580790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 722321, 1444642, 3611605, 7223210, 20947309, 41894618, 104736545, 209473090]

約数ペア:

[(1, 209473090), (2, 104736545), (5, 41894618), (10, 20947309), (29, 7223210), (58, 3611605), (145, 1444642), (290, 722321)]