212330420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{1091}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 460107648

約数和(自身を除く): 247777228

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 263, 370, 526, 740, 1052, 1091, 1315, 2182, 2630, 4364, 5260, 5455, 9731, 10910, 19462, 21820, 38924, 40367, 48655, 80734, 97310, 161468, 194620, 201835, 286933, 403670, 573866, 807340, 1147732, 1434665, 2869330, 5738660, 10616521, 21233042, 42466084, 53082605, 106165210, 212330420]

約数ペア:

[(1, 212330420), (2, 106165210), (4, 53082605), (5, 42466084), (10, 21233042), (20, 10616521), (37, 5738660), (74, 2869330), (148, 1434665), (185, 1147732), (263, 807340), (370, 573866), (526, 403670), (740, 286933), (1052, 201835), (1091, 194620), (1315, 161468), (2182, 97310), (2630, 80734), (4364, 48655), (5260, 40367), (5455, 38924), (9731, 21820), (10910, 19462)]