820470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{3907}}^1$

素因数の和:3924

約数の個数: 32

約数和(自身を含む): 2251008

約数和(自身を除く): 1430538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 3907, 7814, 11721, 19535, 23442, 27349, 39070, 54698, 58605, 82047, 117210, 136745, 164094, 273490, 410235, 820470]

約数ペア:

[(1, 820470), (2, 410235), (3, 273490), (5, 164094), (6, 136745), (7, 117210), (10, 82047), (14, 58605), (15, 54698), (21, 39070), (30, 27349), (35, 23442), (42, 19535), (70, 11721), (105, 7814), (210, 3907)]