208221445840

素因数分解:

$2^4\times 5^1\times {\mathrm{3529}}^1\times {\mathrm{737537}}^1$

素因数の和:741079

約数の個数: 40

約数和(自身を含む): 484252700040

約数和(自身を除く): 276031254200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3529, 7058, 14116, 17645, 28232, 35290, 56464, 70580, 141160, 282320, 737537, 1475074, 2950148, 3687685, 5900296, 7375370, 11800592, 14750740, 29501480, 59002960, 2602768073, 5205536146, 10411072292, 13013840365, 20822144584, 26027680730, 41644289168, 52055361460, 104110722920, 208221445840]

約数ペア:

[(1, 208221445840), (2, 104110722920), (4, 52055361460), (5, 41644289168), (8, 26027680730), (10, 20822144584), (16, 13013840365), (20, 10411072292), (40, 5205536146), (80, 2602768073), (3529, 59002960), (7058, 29501480), (14116, 14750740), (17645, 11800592), (28232, 7375370), (35290, 5900296), (56464, 3687685), (70580, 2950148), (141160, 1475074), (282320, 737537)]