30477140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 67972800

約数和(自身を除く): 37495660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 577, 695, 1154, 1390, 2308, 2641, 2780, 2885, 5282, 5770, 10564, 10963, 11540, 13205, 21926, 26410, 43852, 52820, 54815, 80203, 109630, 160406, 219260, 320812, 401015, 802030, 1523857, 1604060, 3047714, 6095428, 7619285, 15238570, 30477140]

約数ペア:

[(1, 30477140), (2, 15238570), (4, 7619285), (5, 6095428), (10, 3047714), (19, 1604060), (20, 1523857), (38, 802030), (76, 401015), (95, 320812), (139, 219260), (190, 160406), (278, 109630), (380, 80203), (556, 54815), (577, 52820), (695, 43852), (1154, 26410), (1390, 21926), (2308, 13205), (2641, 11540), (2780, 10963), (2885, 10564), (5282, 5770)]