66457250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 138827520

約数和(自身を除く): 72370270

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 425, 475, 646, 823, 850, 950, 1615, 1646, 2125, 2375, 3230, 4115, 4250, 4750, 8075, 8230, 13991, 15637, 16150, 20575, 27982, 31274, 40375, 41150, 69955, 78185, 80750, 102875, 139910, 156370, 205750, 265829, 349775, 390925, 531658, 699550, 781850, 1329145, 1748875, 1954625, 2658290, 3497750, 3909250, 6645725, 13291450, 33228625, 66457250]

約数ペア:

[(1, 66457250), (2, 33228625), (5, 13291450), (10, 6645725), (17, 3909250), (19, 3497750), (25, 2658290), (34, 1954625), (38, 1748875), (50, 1329145), (85, 781850), (95, 699550), (125, 531658), (170, 390925), (190, 349775), (250, 265829), (323, 205750), (425, 156370), (475, 139910), (646, 102875), (823, 80750), (850, 78185), (950, 69955), (1615, 41150), (1646, 40375), (2125, 31274), (2375, 27982), (3230, 20575), (4115, 16150), (4250, 15637), (4750, 13991), (8075, 8230)]