30302440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108223}}^1$

素因数の和:108241

約数の個数: 32

約数和(自身を含む): 77921280

約数和(自身を除く): 47618840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108223, 216446, 432892, 541115, 757561, 865784, 1082230, 1515122, 2164460, 3030244, 3787805, 4328920, 6060488, 7575610, 15151220, 30302440]

約数ペア:

[(1, 30302440), (2, 15151220), (4, 7575610), (5, 6060488), (7, 4328920), (8, 3787805), (10, 3030244), (14, 2164460), (20, 1515122), (28, 1082230), (35, 865784), (40, 757561), (56, 541115), (70, 432892), (140, 216446), (280, 108223)]