285087145

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 413166096

約数和(自身を除く): 128078951

約数列:

[1, 5, 7, 35, 41, 49, 101, 205, 245, 281, 287, 505, 707, 1405, 1435, 1967, 2009, 3535, 4141, 4949, 9835, 10045, 11521, 13769, 20705, 24745, 28381, 28987, 57605, 68845, 80647, 141905, 144935, 198667, 202909, 403235, 564529, 993335, 1014545, 1163621, 1390669, 2822645, 5818105, 6953345, 8145347, 40726735, 57017429, 285087145]

約数ペア:

[(1, 285087145), (5, 57017429), (7, 40726735), (35, 8145347), (41, 6953345), (49, 5818105), (101, 2822645), (205, 1390669), (245, 1163621), (281, 1014545), (287, 993335), (505, 564529), (707, 403235), (1405, 202909), (1435, 198667), (1967, 144935), (2009, 141905), (3535, 80647), (4141, 68845), (4949, 57605), (9835, 28987), (10045, 28381), (11521, 24745), (13769, 20705)]