9909100

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:714

約数の個数: 36

約数和(自身を含む): 21654864

約数和(自身を除く): 11745764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 503, 788, 985, 1006, 1970, 2012, 2515, 3940, 4925, 5030, 9850, 10060, 12575, 19700, 25150, 50300, 99091, 198182, 396364, 495455, 990910, 1981820, 2477275, 4954550, 9909100]

約数ペア:

[(1, 9909100), (2, 4954550), (4, 2477275), (5, 1981820), (10, 990910), (20, 495455), (25, 396364), (50, 198182), (100, 99091), (197, 50300), (394, 25150), (503, 19700), (788, 12575), (985, 10060), (1006, 9850), (1970, 5030), (2012, 4925), (2515, 3940)]