28391940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157733}}^1$

素因数の和:157748

約数の個数: 36

約数和(自身を含む): 86122764

約数和(自身を除く): 57730824

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157733, 315466, 473199, 630932, 788665, 946398, 1419597, 1577330, 1892796, 2365995, 2839194, 3154660, 4731990, 5678388, 7097985, 9463980, 14195970, 28391940]

約数ペア:

[(1, 28391940), (2, 14195970), (3, 9463980), (4, 7097985), (5, 5678388), (6, 4731990), (9, 3154660), (10, 2839194), (12, 2365995), (15, 1892796), (18, 1577330), (20, 1419597), (30, 946398), (36, 788665), (45, 630932), (60, 473199), (90, 315466), (180, 157733)]