149858680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{26953}}^1$

素因数の和:27103

約数の個数: 32

約数和(自身を含む): 339620400

約数和(自身を除く): 189761720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 26953, 53906, 107812, 134765, 215624, 269530, 539060, 1078120, 3746467, 7492934, 14985868, 18732335, 29971736, 37464670, 74929340, 149858680]

約数ペア:

[(1, 149858680), (2, 74929340), (4, 37464670), (5, 29971736), (8, 18732335), (10, 14985868), (20, 7492934), (40, 3746467), (139, 1078120), (278, 539060), (556, 269530), (695, 215624), (1112, 134765), (1390, 107812), (2780, 53906), (5560, 26953)]