2271940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 3171260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 449, 460, 506, 898, 1012, 1265, 1796, 2245, 2530, 4490, 4939, 5060, 8980, 9878, 10327, 19756, 20654, 24695, 41308, 49390, 51635, 98780, 103270, 113597, 206540, 227194, 454388, 567985, 1135970, 2271940]

約数ペア:

[(1, 2271940), (2, 1135970), (4, 567985), (5, 454388), (10, 227194), (11, 206540), (20, 113597), (22, 103270), (23, 98780), (44, 51635), (46, 49390), (55, 41308), (92, 24695), (110, 20654), (115, 19756), (220, 10327), (230, 9878), (253, 8980), (449, 5060), (460, 4939), (506, 4490), (898, 2530), (1012, 2245), (1265, 1796)]