30340520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{108359}}^1$

素因数の和:108377

約数の個数: 32

約数和(自身を含む): 78019200

約数和(自身を除く): 47678680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 108359, 216718, 433436, 541795, 758513, 866872, 1083590, 1517026, 2167180, 3034052, 3792565, 4334360, 6068104, 7585130, 15170260, 30340520]

約数ペア:

[(1, 30340520), (2, 15170260), (4, 7585130), (5, 6068104), (7, 4334360), (8, 3792565), (10, 3034052), (14, 2167180), (20, 1517026), (28, 1083590), (35, 866872), (40, 758513), (56, 541795), (70, 433436), (140, 216718), (280, 108359)]