308896840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1103203}}^1$

素因数の和:1103221

約数の個数: 32

約数和(自身を含む): 794306880

約数和(自身を除く): 485410040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1103203, 2206406, 4412812, 5516015, 7722421, 8825624, 11032030, 15444842, 22064060, 30889684, 38612105, 44128120, 61779368, 77224210, 154448420, 308896840]

約数ペア:

[(1, 308896840), (2, 154448420), (4, 77224210), (5, 61779368), (7, 44128120), (8, 38612105), (10, 30889684), (14, 22064060), (20, 15444842), (28, 11032030), (35, 8825624), (40, 7722421), (56, 5516015), (70, 4412812), (140, 2206406), (280, 1103203)]