143486540

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{18443}}^1$

素因数の和:18841

約数の個数: 24

約数和(自身を含む): 302112720

約数和(自身を除く): 158626180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 18443, 36886, 73772, 92215, 184430, 368860, 7174327, 14348654, 28697308, 35871635, 71743270, 143486540]

約数ペア:

[(1, 143486540), (2, 71743270), (4, 35871635), (5, 28697308), (10, 14348654), (20, 7174327), (389, 368860), (778, 184430), (1556, 92215), (1945, 73772), (3890, 36886), (7780, 18443)]