154964920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{352193}}^1$

素因数の和:352215

約数の個数: 32

約数和(自身を含む): 380369520

約数和(自身を除く): 225404600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 352193, 704386, 1408772, 1760965, 2817544, 3521930, 3874123, 7043860, 7748246, 14087720, 15496492, 19370615, 30992984, 38741230, 77482460, 154964920]

約数ペア:

[(1, 154964920), (2, 77482460), (4, 38741230), (5, 30992984), (8, 19370615), (10, 15496492), (11, 14087720), (20, 7748246), (22, 7043860), (40, 3874123), (44, 3521930), (55, 2817544), (88, 1760965), (110, 1408772), (220, 704386), (440, 352193)]