647007250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6619}}^1$

素因数の和:6676

約数の個数: 64

約数和(自身を含む): 1338405120

約数和(自身を除く): 691397870

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 125, 170, 230, 250, 391, 425, 575, 782, 850, 1150, 1955, 2125, 2875, 3910, 4250, 5750, 6619, 9775, 13238, 19550, 33095, 48875, 66190, 97750, 112523, 152237, 165475, 225046, 304474, 330950, 562615, 761185, 827375, 1125230, 1522370, 1654750, 2588029, 2813075, 3805925, 5176058, 5626150, 7611850, 12940145, 14065375, 19029625, 25880290, 28130750, 38059250, 64700725, 129401450, 323503625, 647007250]

約数ペア:

[(1, 647007250), (2, 323503625), (5, 129401450), (10, 64700725), (17, 38059250), (23, 28130750), (25, 25880290), (34, 19029625), (46, 14065375), (50, 12940145), (85, 7611850), (115, 5626150), (125, 5176058), (170, 3805925), (230, 2813075), (250, 2588029), (391, 1654750), (425, 1522370), (575, 1125230), (782, 827375), (850, 761185), (1150, 562615), (1955, 330950), (2125, 304474), (2875, 225046), (3910, 165475), (4250, 152237), (5750, 112523), (6619, 97750), (9775, 66190), (13238, 48875), (19550, 33095)]