128809210

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{97}}^2$

素因数の和:275

約数の個数: 36

約数和(自身を含む): 240774282

約数和(自身を除く): 111965072

約数列:

[1, 2, 5, 10, 37, 74, 97, 185, 194, 370, 485, 970, 1369, 2738, 3589, 6845, 7178, 9409, 13690, 17945, 18818, 35890, 47045, 94090, 132793, 265586, 348133, 663965, 696266, 1327930, 1740665, 3481330, 12880921, 25761842, 64404605, 128809210]

約数ペア:

[(1, 128809210), (2, 64404605), (5, 25761842), (10, 12880921), (37, 3481330), (74, 1740665), (97, 1327930), (185, 696266), (194, 663965), (370, 348133), (485, 265586), (970, 132793), (1369, 94090), (2738, 47045), (3589, 35890), (6845, 18818), (7178, 17945), (9409, 13690)]