645156620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1112339}}^1$

素因数の和:1112377

約数の個数: 24

約数和(自身を含む): 1401548400

約数和(自身を除く): 756391780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1112339, 2224678, 4449356, 5561695, 11123390, 22246780, 32257831, 64515662, 129031324, 161289155, 322578310, 645156620]

約数ペア:

[(1, 645156620), (2, 322578310), (4, 161289155), (5, 129031324), (10, 64515662), (20, 32257831), (29, 22246780), (58, 11123390), (116, 5561695), (145, 4449356), (290, 2224678), (580, 1112339)]