385308145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 521205840

約数和(自身を除く): 135897695

約数列:

[1, 5, 17, 31, 53, 85, 89, 155, 265, 445, 527, 901, 961, 1513, 1643, 2635, 2759, 4505, 4717, 4805, 7565, 8215, 13795, 16337, 23585, 27931, 46903, 50933, 80189, 81685, 85529, 139655, 146227, 234515, 254665, 400945, 427645, 731135, 865861, 1453993, 2485859, 4329305, 4533037, 7269965, 12429295, 22665185, 77061629, 385308145]

約数ペア:

[(1, 385308145), (5, 77061629), (17, 22665185), (31, 12429295), (53, 7269965), (85, 4533037), (89, 4329305), (155, 2485859), (265, 1453993), (445, 865861), (527, 731135), (901, 427645), (961, 400945), (1513, 254665), (1643, 234515), (2635, 146227), (2759, 139655), (4505, 85529), (4717, 81685), (4805, 80189), (7565, 50933), (8215, 46903), (13795, 27931), (16337, 23585)]