168789860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{1249}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 368550000

約数和(自身を除く): 199760140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 233, 290, 466, 580, 932, 1165, 1249, 2330, 2498, 4660, 4996, 6245, 6757, 12490, 13514, 24980, 27028, 33785, 36221, 67570, 72442, 135140, 144884, 181105, 291017, 362210, 582034, 724420, 1164068, 1455085, 2910170, 5820340, 8439493, 16878986, 33757972, 42197465, 84394930, 168789860]

約数ペア:

[(1, 168789860), (2, 84394930), (4, 42197465), (5, 33757972), (10, 16878986), (20, 8439493), (29, 5820340), (58, 2910170), (116, 1455085), (145, 1164068), (233, 724420), (290, 582034), (466, 362210), (580, 291017), (932, 181105), (1165, 144884), (1249, 135140), (2330, 72442), (2498, 67570), (4660, 36221), (4996, 33785), (6245, 27028), (6757, 24980), (12490, 13514)]