4949980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{5051}}^1$

素因数の和:5074

約数の個数: 36

約数和(自身を含む): 12094488

約数和(自身を除く): 7144508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 5051, 10102, 20204, 25255, 35357, 50510, 70714, 101020, 141428, 176785, 247499, 353570, 494998, 707140, 989996, 1237495, 2474990, 4949980]

約数ペア:

[(1, 4949980), (2, 2474990), (4, 1237495), (5, 989996), (7, 707140), (10, 494998), (14, 353570), (20, 247499), (28, 176785), (35, 141428), (49, 101020), (70, 70714), (98, 50510), (140, 35357), (196, 25255), (245, 20204), (490, 10102), (980, 5051)]