28941780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68909}}^1$

素因数の和:68928

約数の個数: 48

約数和(自身を含む): 92615040

約数和(自身を除く): 63673260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68909, 137818, 206727, 275636, 344545, 413454, 482363, 689090, 826908, 964726, 1033635, 1378180, 1447089, 1929452, 2067270, 2411815, 2894178, 4134540, 4823630, 5788356, 7235445, 9647260, 14470890, 28941780]

約数ペア:

[(1, 28941780), (2, 14470890), (3, 9647260), (4, 7235445), (5, 5788356), (6, 4823630), (7, 4134540), (10, 2894178), (12, 2411815), (14, 2067270), (15, 1929452), (20, 1447089), (21, 1378180), (28, 1033635), (30, 964726), (35, 826908), (42, 689090), (60, 482363), (70, 413454), (84, 344545), (105, 275636), (140, 206727), (210, 137818), (420, 68909)]