140146900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{19739}}^1$

素因数の和:19824

約数の個数: 36

約数和(自身を含む): 308417760

約数和(自身を除く): 168270860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 19739, 39478, 78956, 98695, 197390, 394780, 493475, 986950, 1401469, 1973900, 2802938, 5605876, 7007345, 14014690, 28029380, 35036725, 70073450, 140146900]

約数ペア:

[(1, 140146900), (2, 70073450), (4, 35036725), (5, 28029380), (10, 14014690), (20, 7007345), (25, 5605876), (50, 2802938), (71, 1973900), (100, 1401469), (142, 986950), (284, 493475), (355, 394780), (710, 197390), (1420, 98695), (1775, 78956), (3550, 39478), (7100, 19739)]