255365890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103387}}^1$

素因数の和:103426

約数の個数: 32

約数和(自身を含む): 521075520

約数和(自身を除く): 265709630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 103387, 206774, 516935, 1033870, 1344031, 1964353, 2688062, 3928706, 6720155, 9821765, 13440310, 19643530, 25536589, 51073178, 127682945, 255365890]

約数ペア:

[(1, 255365890), (2, 127682945), (5, 51073178), (10, 25536589), (13, 19643530), (19, 13440310), (26, 9821765), (38, 6720155), (65, 3928706), (95, 2688062), (130, 1964353), (190, 1344031), (247, 1033870), (494, 516935), (1235, 206774), (2470, 103387)]