209684210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{723049}}^1$

素因数の和:723085

約数の個数: 16

約数和(自身を含む): 390447000

約数和(自身を除く): 180762790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 723049, 1446098, 3615245, 7230490, 20968421, 41936842, 104842105, 209684210]

約数ペア:

[(1, 209684210), (2, 104842105), (5, 41936842), (10, 20968421), (29, 7230490), (58, 3615245), (145, 1446098), (290, 723049)]