205909840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{135467}}^1$

素因数の和:135499

約数の個数: 40

約数和(自身を含む): 503940960

約数和(自身を除く): 298031120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 135467, 270934, 541868, 677335, 1083736, 1354670, 2167472, 2573873, 2709340, 5147746, 5418680, 10295492, 10837360, 12869365, 20590984, 25738730, 41181968, 51477460, 102954920, 205909840]

約数ペア:

[(1, 205909840), (2, 102954920), (4, 51477460), (5, 41181968), (8, 25738730), (10, 20590984), (16, 12869365), (19, 10837360), (20, 10295492), (38, 5418680), (40, 5147746), (76, 2709340), (80, 2573873), (95, 2167472), (152, 1354670), (190, 1083736), (304, 677335), (380, 541868), (760, 270934), (1520, 135467)]