51875075

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 82441152

約数和(自身を除く): 30566077

約数列:

[1, 5, 7, 17, 25, 35, 47, 49, 53, 85, 119, 175, 235, 245, 265, 329, 371, 425, 595, 799, 833, 901, 1175, 1225, 1325, 1645, 1855, 2303, 2491, 2597, 2975, 3995, 4165, 4505, 5593, 6307, 8225, 9275, 11515, 12455, 12985, 17437, 19975, 20825, 22525, 27965, 31535, 39151, 42347, 44149, 57575, 62275, 64925, 87185, 122059, 139825, 157675, 195755, 211735, 220745, 296429, 435925, 610295, 978775, 1058675, 1103725, 1482145, 2075003, 3051475, 7410725, 10375015, 51875075]

約数ペア:

[(1, 51875075), (5, 10375015), (7, 7410725), (17, 3051475), (25, 2075003), (35, 1482145), (47, 1103725), (49, 1058675), (53, 978775), (85, 610295), (119, 435925), (175, 296429), (235, 220745), (245, 211735), (265, 195755), (329, 157675), (371, 139825), (425, 122059), (595, 87185), (799, 64925), (833, 62275), (901, 57575), (1175, 44149), (1225, 42347), (1325, 39151), (1645, 31535), (1855, 27965), (2303, 22525), (2491, 20825), (2597, 19975), (2975, 17437), (3995, 12985), (4165, 12455), (4505, 11515), (5593, 9275), (6307, 8225)]