68456620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{10597}}^1$

素因数の和:10642

約数の個数: 48

約数和(自身を含む): 160241760

約数和(自身を除く): 91785140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 10597, 21194, 42388, 52985, 105970, 180149, 201343, 211940, 360298, 402686, 720596, 805372, 900745, 1006715, 1801490, 2013430, 3422831, 3602980, 4026860, 6845662, 13691324, 17114155, 34228310, 68456620]

約数ペア:

[(1, 68456620), (2, 34228310), (4, 17114155), (5, 13691324), (10, 6845662), (17, 4026860), (19, 3602980), (20, 3422831), (34, 2013430), (38, 1801490), (68, 1006715), (76, 900745), (85, 805372), (95, 720596), (170, 402686), (190, 360298), (323, 211940), (340, 201343), (380, 180149), (646, 105970), (1292, 52985), (1615, 42388), (3230, 21194), (6460, 10597)]