30788140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 67636800

約数和(自身を除く): 36848660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 487, 545, 580, 974, 1090, 1948, 2180, 2435, 3161, 4870, 6322, 9740, 12644, 14123, 15805, 28246, 31610, 53083, 56492, 63220, 70615, 106166, 141230, 212332, 265415, 282460, 530830, 1061660, 1539407, 3078814, 6157628, 7697035, 15394070, 30788140]

約数ペア:

[(1, 30788140), (2, 15394070), (4, 7697035), (5, 6157628), (10, 3078814), (20, 1539407), (29, 1061660), (58, 530830), (109, 282460), (116, 265415), (145, 212332), (218, 141230), (290, 106166), (436, 70615), (487, 63220), (545, 56492), (580, 53083), (974, 31610), (1090, 28246), (1948, 15805), (2180, 14123), (2435, 12644), (3161, 9740), (4870, 6322)]