291212120

素因数分解:

$2^3\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{5167}}^1$

素因数の和:6587

約数の個数: 32

約数和(自身を含む): 655819200

約数和(自身を除く): 364607080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1409, 2818, 5167, 5636, 7045, 10334, 11272, 14090, 20668, 25835, 28180, 41336, 51670, 56360, 103340, 206680, 7280303, 14560606, 29121212, 36401515, 58242424, 72803030, 145606060, 291212120]

約数ペア:

[(1, 291212120), (2, 145606060), (4, 72803030), (5, 58242424), (8, 36401515), (10, 29121212), (20, 14560606), (40, 7280303), (1409, 206680), (2818, 103340), (5167, 56360), (5636, 51670), (7045, 41336), (10334, 28180), (11272, 25835), (14090, 20668)]