30104060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2129}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 72999360

約数和(自身を除く): 42895300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2129, 2828, 3535, 4258, 7070, 8516, 10645, 14140, 14903, 21290, 29806, 42580, 59612, 74515, 149030, 215029, 298060, 430058, 860116, 1075145, 1505203, 2150290, 3010406, 4300580, 6020812, 7526015, 15052030, 30104060]

約数ペア:

[(1, 30104060), (2, 15052030), (4, 7526015), (5, 6020812), (7, 4300580), (10, 3010406), (14, 2150290), (20, 1505203), (28, 1075145), (35, 860116), (70, 430058), (101, 298060), (140, 215029), (202, 149030), (404, 74515), (505, 59612), (707, 42580), (1010, 29806), (1414, 21290), (2020, 14903), (2129, 14140), (2828, 10645), (3535, 8516), (4258, 7070)]