139156675

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 206272512

約数和(自身を除く): 67115837

約数列:

[1, 5, 7, 25, 31, 35, 113, 155, 175, 217, 227, 565, 775, 791, 1085, 1135, 1589, 2825, 3503, 3955, 5425, 5675, 7037, 7945, 17515, 19775, 24521, 25651, 35185, 39725, 49259, 87575, 122605, 128255, 175925, 179557, 246295, 613025, 641275, 795181, 897785, 1231475, 3975905, 4488925, 5566267, 19879525, 27831335, 139156675]

約数ペア:

[(1, 139156675), (5, 27831335), (7, 19879525), (25, 5566267), (31, 4488925), (35, 3975905), (113, 1231475), (155, 897785), (175, 795181), (217, 641275), (227, 613025), (565, 246295), (775, 179557), (791, 175925), (1085, 128255), (1135, 122605), (1589, 87575), (2825, 49259), (3503, 39725), (3955, 35185), (5425, 25651), (5675, 24521), (7037, 19775), (7945, 17515)]