280407310

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1\times {\mathrm{887}}^1$

素因数の和:1308

約数の個数: 32

約数和(自身を含む): 511935552

約数和(自身を除く): 231528242

約数列:

[1, 2, 5, 10, 101, 202, 313, 505, 626, 887, 1010, 1565, 1774, 3130, 4435, 8870, 31613, 63226, 89587, 158065, 179174, 277631, 316130, 447935, 555262, 895870, 1388155, 2776310, 28040731, 56081462, 140203655, 280407310]

約数ペア:

[(1, 280407310), (2, 140203655), (5, 56081462), (10, 28040731), (101, 2776310), (202, 1388155), (313, 895870), (505, 555262), (626, 447935), (887, 316130), (1010, 277631), (1565, 179174), (1774, 158065), (3130, 89587), (4435, 63226), (8870, 31613)]