781036111820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73121}}^1\times {\mathrm{28109}}^1$

素因数の和:101258

約数の個数: 48

約数和(自身を含む): 1726585912800

約数和(自身を除く): 945549800980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 28109, 56218, 73121, 112436, 140545, 146242, 281090, 292484, 365605, 534071, 562180, 731210, 1068142, 1389299, 1462420, 2136284, 2670355, 2778598, 5340710, 5557196, 6946495, 10681420, 13892990, 27785980, 2055358189, 4110716378, 8221432756, 10276790945, 20553581890, 39051805591, 41107163780, 78103611182, 156207222364, 195259027955, 390518055910, 781036111820]

約数ペア:

[(1, 781036111820), (2, 390518055910), (4, 195259027955), (5, 156207222364), (10, 78103611182), (19, 41107163780), (20, 39051805591), (38, 20553581890), (76, 10276790945), (95, 8221432756), (190, 4110716378), (380, 2055358189), (28109, 27785980), (56218, 13892990), (73121, 10681420), (112436, 6946495), (140545, 5557196), (146242, 5340710), (281090, 2778598), (292484, 2670355), (365605, 2136284), (534071, 1462420), (562180, 1389299), (731210, 1068142)]