418660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 971964

約数和(自身を除く): 553304

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 173, 220, 242, 346, 484, 605, 692, 865, 1210, 1730, 1903, 2420, 3460, 3806, 7612, 9515, 19030, 20933, 38060, 41866, 83732, 104665, 209330, 418660]

約数ペア:

[(1, 418660), (2, 209330), (4, 104665), (5, 83732), (10, 41866), (11, 38060), (20, 20933), (22, 19030), (44, 9515), (55, 7612), (110, 3806), (121, 3460), (173, 2420), (220, 1903), (242, 1730), (346, 1210), (484, 865), (605, 692)]