287350030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{13127}}^1$

素因数の和:13344

約数の個数: 32

約数和(自身を含む): 567129600

約数和(自身を除く): 279779570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 13127, 21890, 26254, 65635, 131270, 144397, 288794, 721985, 1443970, 2612273, 5224546, 13061365, 26122730, 28735003, 57470006, 143675015, 287350030]

約数ペア:

[(1, 287350030), (2, 143675015), (5, 57470006), (10, 28735003), (11, 26122730), (22, 13061365), (55, 5224546), (110, 2612273), (199, 1443970), (398, 721985), (995, 288794), (1990, 144397), (2189, 131270), (4378, 65635), (10945, 26254), (13127, 21890)]