764756620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{538561}}^1$

素因数の和:538641

約数の個数: 24

約数和(自身を含む): 1628611488

約数和(自身を除く): 863854868

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 538561, 1077122, 2154244, 2692805, 5385610, 10771220, 38237831, 76475662, 152951324, 191189155, 382378310, 764756620]

約数ペア:

[(1, 764756620), (2, 382378310), (4, 191189155), (5, 152951324), (10, 76475662), (20, 38237831), (71, 10771220), (142, 5385610), (284, 2692805), (355, 2154244), (710, 1077122), (1420, 538561)]