19980250

素因数分解:

$2^1\times 5^3\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 37674000

約数和(自身を除く): 17693750

約数列:

[1, 2, 5, 10, 25, 50, 125, 229, 250, 349, 458, 698, 1145, 1745, 2290, 3490, 5725, 8725, 11450, 17450, 28625, 43625, 57250, 79921, 87250, 159842, 399605, 799210, 1998025, 3996050, 9990125, 19980250]

約数ペア:

[(1, 19980250), (2, 9990125), (5, 3996050), (10, 1998025), (25, 799210), (50, 399605), (125, 159842), (229, 87250), (250, 79921), (349, 57250), (458, 43625), (698, 28625), (1145, 17450), (1745, 11450), (2290, 8725), (3490, 5725)]