421894540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{186679}}^1$

素因数の和:186801

約数の個数: 24

約数和(自身を含む): 893823840

約数和(自身を除く): 471929300

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 186679, 373358, 746716, 933395, 1866790, 3733580, 21094727, 42189454, 84378908, 105473635, 210947270, 421894540]

約数ペア:

[(1, 421894540), (2, 210947270), (4, 105473635), (5, 84378908), (10, 42189454), (20, 21094727), (113, 3733580), (226, 1866790), (452, 933395), (565, 746716), (1130, 373358), (2260, 186679)]