2019955005

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1\times {\mathrm{719}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 3538080000

約数和(自身を除く): 1518124995

約数列:

[1, 3, 5, 9, 15, 45, 149, 419, 447, 719, 745, 1257, 1341, 2095, 2157, 2235, 3595, 3771, 6285, 6471, 6705, 10785, 18855, 32355, 62431, 107131, 187293, 301261, 312155, 321393, 535655, 561879, 903783, 936465, 964179, 1506305, 1606965, 2711349, 2809395, 4518915, 4820895, 13556745, 44887889, 134663667, 224439445, 403991001, 673318335, 2019955005]

約数ペア:

[(1, 2019955005), (3, 673318335), (5, 403991001), (9, 224439445), (15, 134663667), (45, 44887889), (149, 13556745), (419, 4820895), (447, 4518915), (719, 2809395), (745, 2711349), (1257, 1606965), (1341, 1506305), (2095, 964179), (2157, 936465), (2235, 903783), (3595, 561879), (3771, 535655), (6285, 321393), (6471, 312155), (6705, 301261), (10785, 187293), (18855, 107131), (32355, 62431)]