140212820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{947}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 322031808

約数和(自身を除く): 181818988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 673, 947, 1346, 1894, 2692, 3365, 3788, 4735, 6730, 7403, 9470, 10417, 13460, 14806, 18940, 20834, 29612, 37015, 41668, 52085, 74030, 104170, 148060, 208340, 637331, 1274662, 2549324, 3186655, 6373310, 7010641, 12746620, 14021282, 28042564, 35053205, 70106410, 140212820]

約数ペア:

[(1, 140212820), (2, 70106410), (4, 35053205), (5, 28042564), (10, 14021282), (11, 12746620), (20, 7010641), (22, 6373310), (44, 3186655), (55, 2549324), (110, 1274662), (220, 637331), (673, 208340), (947, 148060), (1346, 104170), (1894, 74030), (2692, 52085), (3365, 41668), (3788, 37015), (4735, 29612), (6730, 20834), (7403, 18940), (9470, 14806), (10417, 13460)]