166208020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 386841672

約数和(自身を除く): 220633652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 173, 220, 242, 346, 397, 484, 605, 692, 794, 865, 1210, 1588, 1730, 1903, 1985, 2420, 3460, 3806, 3970, 4367, 7612, 7940, 8734, 9515, 17468, 19030, 20933, 21835, 38060, 41866, 43670, 48037, 68681, 83732, 87340, 96074, 104665, 137362, 192148, 209330, 240185, 274724, 343405, 418660, 480370, 686810, 755491, 960740, 1373620, 1510982, 3021964, 3777455, 7554910, 8310401, 15109820, 16620802, 33241604, 41552005, 83104010, 166208020]

約数ペア:

[(1, 166208020), (2, 83104010), (4, 41552005), (5, 33241604), (10, 16620802), (11, 15109820), (20, 8310401), (22, 7554910), (44, 3777455), (55, 3021964), (110, 1510982), (121, 1373620), (173, 960740), (220, 755491), (242, 686810), (346, 480370), (397, 418660), (484, 343405), (605, 274724), (692, 240185), (794, 209330), (865, 192148), (1210, 137362), (1588, 104665), (1730, 96074), (1903, 87340), (1985, 83732), (2420, 68681), (3460, 48037), (3806, 43670), (3970, 41866), (4367, 38060), (7612, 21835), (7940, 20933), (8734, 19030), (9515, 17468)]