49801780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2801}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 120508416

約数和(自身を除く): 70706636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 2801, 3556, 4445, 5602, 8890, 11204, 14005, 17780, 19607, 28010, 39214, 56020, 78428, 98035, 196070, 355727, 392140, 711454, 1422908, 1778635, 2490089, 3557270, 4980178, 7114540, 9960356, 12450445, 24900890, 49801780]

約数ペア:

[(1, 49801780), (2, 24900890), (4, 12450445), (5, 9960356), (7, 7114540), (10, 4980178), (14, 3557270), (20, 2490089), (28, 1778635), (35, 1422908), (70, 711454), (127, 392140), (140, 355727), (254, 196070), (508, 98035), (635, 78428), (889, 56020), (1270, 39214), (1778, 28010), (2540, 19607), (2801, 17780), (3556, 14005), (4445, 11204), (5602, 8890)]