9899960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5051}}^1$

素因数の和:5076

約数の個数: 48

約数和(自身を含む): 25916760

約数和(自身を除く): 16016800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 5051, 10102, 20204, 25255, 35357, 40408, 50510, 70714, 101020, 141428, 176785, 202040, 247499, 282856, 353570, 494998, 707140, 989996, 1237495, 1414280, 1979992, 2474990, 4949980, 9899960]

約数ペア:

[(1, 9899960), (2, 4949980), (4, 2474990), (5, 1979992), (7, 1414280), (8, 1237495), (10, 989996), (14, 707140), (20, 494998), (28, 353570), (35, 282856), (40, 247499), (49, 202040), (56, 176785), (70, 141428), (98, 101020), (140, 70714), (196, 50510), (245, 40408), (280, 35357), (392, 25255), (490, 20204), (980, 10102), (1960, 5051)]