306283880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1093871}}^1$

素因数の和:1093889

約数の個数: 32

約数和(自身を含む): 787587840

約数和(自身を除く): 481303960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1093871, 2187742, 4375484, 5469355, 7657097, 8750968, 10938710, 15314194, 21877420, 30628388, 38285485, 43754840, 61256776, 76570970, 153141940, 306283880]

約数ペア:

[(1, 306283880), (2, 153141940), (4, 76570970), (5, 61256776), (7, 43754840), (8, 38285485), (10, 30628388), (14, 21877420), (20, 15314194), (28, 10938710), (35, 8750968), (40, 7657097), (56, 5469355), (70, 4375484), (140, 2187742), (280, 1093871)]