30429980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31051}}^1$

素因数の和:31074

約数の個数: 36

約数和(自身を含む): 74338488

約数和(自身を除く): 43908508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31051, 62102, 124204, 155255, 217357, 310510, 434714, 621020, 869428, 1086785, 1521499, 2173570, 3042998, 4347140, 6085996, 7607495, 15214990, 30429980]

約数ペア:

[(1, 30429980), (2, 15214990), (4, 7607495), (5, 6085996), (7, 4347140), (10, 3042998), (14, 2173570), (20, 1521499), (28, 1086785), (35, 869428), (49, 621020), (70, 434714), (98, 310510), (140, 217357), (196, 155255), (245, 124204), (490, 62102), (980, 31051)]