421660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 917280

約数和(自身を除く): 495620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 727, 1454, 2908, 3635, 7270, 14540, 21083, 42166, 84332, 105415, 210830, 421660]

約数ペア:

[(1, 421660), (2, 210830), (4, 105415), (5, 84332), (10, 42166), (20, 21083), (29, 14540), (58, 7270), (116, 3635), (145, 2908), (290, 1454), (580, 727)]