345290470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{20639}}^1$

素因数の和:20892

約数の個数: 32

約数和(自身を含む): 713318400

約数和(自身を除く): 368027930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 8365, 16730, 20639, 41278, 103195, 144473, 206390, 288946, 722365, 1444730, 4932721, 9865442, 24663605, 34529047, 49327210, 69058094, 172645235, 345290470]

約数ペア:

[(1, 345290470), (2, 172645235), (5, 69058094), (7, 49327210), (10, 34529047), (14, 24663605), (35, 9865442), (70, 4932721), (239, 1444730), (478, 722365), (1195, 288946), (1673, 206390), (2390, 144473), (3346, 103195), (8365, 41278), (16730, 20639)]