315092440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{605947}}^1$

素因数の和:605971

約数の個数: 32

約数和(自身を含む): 763494480

約数和(自身を除く): 448402040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 605947, 1211894, 2423788, 3029735, 4847576, 6059470, 7877311, 12118940, 15754622, 24237880, 31509244, 39386555, 63018488, 78773110, 157546220, 315092440]

約数ペア:

[(1, 315092440), (2, 157546220), (4, 78773110), (5, 63018488), (8, 39386555), (10, 31509244), (13, 24237880), (20, 15754622), (26, 12118940), (40, 7877311), (52, 6059470), (65, 4847576), (104, 3029735), (130, 2423788), (260, 1211894), (520, 605947)]