478538750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{20149}}^1$

素因数の和:20190

約数の個数: 40

約数和(自身を含む): 944229000

約数和(自身を除く): 465690250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1250, 2375, 4750, 11875, 20149, 23750, 40298, 100745, 201490, 382831, 503725, 765662, 1007450, 1914155, 2518625, 3828310, 5037250, 9570775, 12593125, 19141550, 25186250, 47853875, 95707750, 239269375, 478538750]

約数ペア:

[(1, 478538750), (2, 239269375), (5, 95707750), (10, 47853875), (19, 25186250), (25, 19141550), (38, 12593125), (50, 9570775), (95, 5037250), (125, 3828310), (190, 2518625), (250, 1914155), (475, 1007450), (625, 765662), (950, 503725), (1250, 382831), (2375, 201490), (4750, 100745), (11875, 40298), (20149, 23750)]