78877304060

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{289543}}^1$

素因数の和:289862

約数の個数: 48

約数和(自身を含む): 169424934336

約数和(自身を除く): 90547630276

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 257, 265, 514, 530, 1028, 1060, 1285, 2570, 5140, 13621, 27242, 54484, 68105, 136210, 272420, 289543, 579086, 1158172, 1447715, 2895430, 5790860, 15345779, 30691558, 61383116, 74412551, 76728895, 148825102, 153457790, 297650204, 306915580, 372062755, 744125510, 1488251020, 3943865203, 7887730406, 15775460812, 19719326015, 39438652030, 78877304060]

約数ペア:

[(1, 78877304060), (2, 39438652030), (4, 19719326015), (5, 15775460812), (10, 7887730406), (20, 3943865203), (53, 1488251020), (106, 744125510), (212, 372062755), (257, 306915580), (265, 297650204), (514, 153457790), (530, 148825102), (1028, 76728895), (1060, 74412551), (1285, 61383116), (2570, 30691558), (5140, 15345779), (13621, 5790860), (27242, 2895430), (54484, 1447715), (68105, 1158172), (136210, 579086), (272420, 289543)]