7872050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 15568200

約数和(自身を除く): 7696150

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 61, 89, 122, 145, 178, 290, 305, 445, 610, 725, 890, 1450, 1525, 1769, 2225, 2581, 3050, 3538, 4450, 5162, 5429, 8845, 10858, 12905, 17690, 25810, 27145, 44225, 54290, 64525, 88450, 129050, 135725, 157441, 271450, 314882, 787205, 1574410, 3936025, 7872050]

約数ペア:

[(1, 7872050), (2, 3936025), (5, 1574410), (10, 787205), (25, 314882), (29, 271450), (50, 157441), (58, 135725), (61, 129050), (89, 88450), (122, 64525), (145, 54290), (178, 44225), (290, 27145), (305, 25810), (445, 17690), (610, 12905), (725, 10858), (890, 8845), (1450, 5429), (1525, 5162), (1769, 4450), (2225, 3538), (2581, 3050)]