156944920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{356693}}^1$

素因数の和:356715

約数の個数: 32

約数和(自身を含む): 385229520

約数和(自身を除く): 228284600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 356693, 713386, 1426772, 1783465, 2853544, 3566930, 3923623, 7133860, 7847246, 14267720, 15694492, 19618115, 31388984, 39236230, 78472460, 156944920]

約数ペア:

[(1, 156944920), (2, 78472460), (4, 39236230), (5, 31388984), (8, 19618115), (10, 15694492), (11, 14267720), (20, 7847246), (22, 7133860), (40, 3923623), (44, 3566930), (55, 2853544), (88, 1783465), (110, 1426772), (220, 713386), (440, 356693)]