494345090

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{127081}}^1$

素因数の和:127477

約数の個数: 16

約数和(自身を含む): 892115640

約数和(自身を除く): 397770550

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 127081, 254162, 635405, 1270810, 49434509, 98869018, 247172545, 494345090]

約数ペア:

[(1, 494345090), (2, 247172545), (5, 98869018), (10, 49434509), (389, 1270810), (778, 635405), (1945, 254162), (3890, 127081)]