7915180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4349}}^1$

素因数の和:4378

約数の個数: 48

約数和(自身を含む): 20462400

約数和(自身を除く): 12547220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4349, 8698, 17396, 21745, 30443, 43490, 56537, 60886, 86980, 113074, 121772, 152215, 226148, 282685, 304430, 395759, 565370, 608860, 791518, 1130740, 1583036, 1978795, 3957590, 7915180]

約数ペア:

[(1, 7915180), (2, 3957590), (4, 1978795), (5, 1583036), (7, 1130740), (10, 791518), (13, 608860), (14, 565370), (20, 395759), (26, 304430), (28, 282685), (35, 226148), (52, 152215), (65, 121772), (70, 113074), (91, 86980), (130, 60886), (140, 56537), (182, 43490), (260, 30443), (364, 21745), (455, 17396), (910, 8698), (1820, 4349)]