731319880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{13553}}^1$

素因数の和:13654

約数の個数: 64

約数和(自身を含む): 1756598400

約数和(自身を除く): 1025278520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 10792, 13490, 13553, 26980, 27106, 53960, 54212, 67765, 108424, 135530, 257507, 271060, 515014, 542120, 962263, 1030028, 1287535, 1924526, 2060056, 2575070, 3849052, 4811315, 5150140, 7698104, 9622630, 10300280, 18282997, 19245260, 36565994, 38490520, 73131988, 91414985, 146263976, 182829970, 365659940, 731319880]

約数ペア:

[(1, 731319880), (2, 365659940), (4, 182829970), (5, 146263976), (8, 91414985), (10, 73131988), (19, 38490520), (20, 36565994), (38, 19245260), (40, 18282997), (71, 10300280), (76, 9622630), (95, 7698104), (142, 5150140), (152, 4811315), (190, 3849052), (284, 2575070), (355, 2060056), (380, 1924526), (568, 1287535), (710, 1030028), (760, 962263), (1349, 542120), (1420, 515014), (2698, 271060), (2840, 257507), (5396, 135530), (6745, 108424), (10792, 67765), (13490, 54212), (13553, 53960), (26980, 27106)]