191903180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2693}}^1$

素因数の和:3218

約数の個数: 48

約数和(自身を含む): 461643840

約数和(自身を除く): 269740660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 2693, 3563, 5090, 5386, 7126, 10180, 10772, 13465, 14252, 17815, 18851, 26930, 35630, 37702, 53860, 71260, 75404, 94255, 188510, 377020, 1370737, 2741474, 5482948, 6853685, 9595159, 13707370, 19190318, 27414740, 38380636, 47975795, 95951590, 191903180]

約数ペア:

[(1, 191903180), (2, 95951590), (4, 47975795), (5, 38380636), (7, 27414740), (10, 19190318), (14, 13707370), (20, 9595159), (28, 6853685), (35, 5482948), (70, 2741474), (140, 1370737), (509, 377020), (1018, 188510), (2036, 94255), (2545, 75404), (2693, 71260), (3563, 53860), (5090, 37702), (5386, 35630), (7126, 26930), (10180, 18851), (10772, 17815), (13465, 14252)]