91987580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 202535424

約数和(自身を除く): 110547844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 311, 460, 622, 643, 1244, 1286, 1555, 2572, 3110, 3215, 6220, 6430, 7153, 12860, 14306, 14789, 28612, 29578, 35765, 59156, 71530, 73945, 143060, 147890, 199973, 295780, 399946, 799892, 999865, 1999730, 3999460, 4599379, 9198758, 18397516, 22996895, 45993790, 91987580]

約数ペア:

[(1, 91987580), (2, 45993790), (4, 22996895), (5, 18397516), (10, 9198758), (20, 4599379), (23, 3999460), (46, 1999730), (92, 999865), (115, 799892), (230, 399946), (311, 295780), (460, 199973), (622, 147890), (643, 143060), (1244, 73945), (1286, 71530), (1555, 59156), (2572, 35765), (3110, 29578), (3215, 28612), (6220, 14789), (6430, 14306), (7153, 12860)]