142957720

素因数分解:

$2^3\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{3407}}^1$

素因数の和:4467

約数の個数: 32

約数和(自身を含む): 322056000

約数和(自身を除く): 179098280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1049, 2098, 3407, 4196, 5245, 6814, 8392, 10490, 13628, 17035, 20980, 27256, 34070, 41960, 68140, 136280, 3573943, 7147886, 14295772, 17869715, 28591544, 35739430, 71478860, 142957720]

約数ペア:

[(1, 142957720), (2, 71478860), (4, 35739430), (5, 28591544), (8, 17869715), (10, 14295772), (20, 7147886), (40, 3573943), (1049, 136280), (2098, 68140), (3407, 41960), (4196, 34070), (5245, 27256), (6814, 20980), (8392, 17035), (10490, 13628)]