199769680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227011}}^1$

素因数の和:227035

約数の個数: 40

約数和(自身を含む): 506690784

約数和(自身を除く): 306921104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 227011, 454022, 908044, 1135055, 1816088, 2270110, 2497121, 3632176, 4540220, 4994242, 9080440, 9988484, 12485605, 18160880, 19976968, 24971210, 39953936, 49942420, 99884840, 199769680]

約数ペア:

[(1, 199769680), (2, 99884840), (4, 49942420), (5, 39953936), (8, 24971210), (10, 19976968), (11, 18160880), (16, 12485605), (20, 9988484), (22, 9080440), (40, 4994242), (44, 4540220), (55, 3632176), (80, 2497121), (88, 2270110), (110, 1816088), (176, 1135055), (220, 908044), (440, 454022), (880, 227011)]