28831380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3457}}^1$

素因数の和:3608

約数の個数: 48

約数和(自身を含む): 81332160

約数和(自身を除く): 52500780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 3457, 4170, 6914, 8340, 10371, 13828, 17285, 20742, 34570, 41484, 51855, 69140, 103710, 207420, 480523, 961046, 1441569, 1922092, 2402615, 2883138, 4805230, 5766276, 7207845, 9610460, 14415690, 28831380]

約数ペア:

[(1, 28831380), (2, 14415690), (3, 9610460), (4, 7207845), (5, 5766276), (6, 4805230), (10, 2883138), (12, 2402615), (15, 1922092), (20, 1441569), (30, 961046), (60, 480523), (139, 207420), (278, 103710), (417, 69140), (556, 51855), (695, 41484), (834, 34570), (1390, 20742), (1668, 17285), (2085, 13828), (2780, 10371), (3457, 8340), (4170, 6914)]