1994800165

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 2472768000

約数和(自身を除く): 477967835

約数列:

[1, 5, 79, 89, 179, 317, 395, 445, 895, 1585, 7031, 14141, 15931, 25043, 28213, 35155, 56743, 70705, 79655, 125215, 141065, 283715, 1258549, 2228827, 4482697, 5050127, 6292745, 11144135, 22413485, 25250635, 398960033, 1994800165]

約数ペア:

[(1, 1994800165), (5, 398960033), (79, 25250635), (89, 22413485), (179, 11144135), (317, 6292745), (395, 5050127), (445, 4482697), (895, 2228827), (1585, 1258549), (7031, 283715), (14141, 141065), (15931, 125215), (25043, 79655), (28213, 70705), (35155, 56743)]