199236440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383147}}^1$

素因数の和:383171

約数の個数: 32

約数和(自身を含む): 482766480

約数和(自身を除く): 283530040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 383147, 766294, 1532588, 1915735, 3065176, 3831470, 4980911, 7662940, 9961822, 15325880, 19923644, 24904555, 39847288, 49809110, 99618220, 199236440]

約数ペア:

[(1, 199236440), (2, 99618220), (4, 49809110), (5, 39847288), (8, 24904555), (10, 19923644), (13, 15325880), (20, 9961822), (26, 7662940), (40, 4980911), (52, 3831470), (65, 3065176), (104, 1915735), (130, 1532588), (260, 766294), (520, 383147)]