278323210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{133169}}^1$

素因数の和:133206

約数の個数: 32

約数和(自身を含む): 575294400

約数和(自身を除く): 296971190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 133169, 266338, 665845, 1331690, 1464859, 2530211, 2929718, 5060422, 7324295, 12651055, 14648590, 25302110, 27832321, 55664642, 139161605, 278323210]

約数ペア:

[(1, 278323210), (2, 139161605), (5, 55664642), (10, 27832321), (11, 25302110), (19, 14648590), (22, 12651055), (38, 7324295), (55, 5060422), (95, 2929718), (110, 2530211), (190, 1464859), (209, 1331690), (418, 665845), (1045, 266338), (2090, 133169)]