280013312

素因数分解:

$2^9\times {\mathrm{487}}^1\times {\mathrm{1123}}^1$

素因数の和:1628

約数の個数: 40

約数和(自身を含む): 561127776

約数和(自身を除く): 281114464

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 487, 512, 974, 1123, 1948, 2246, 3896, 4492, 7792, 8984, 15584, 17968, 31168, 35936, 62336, 71872, 124672, 143744, 249344, 287488, 546901, 574976, 1093802, 2187604, 4375208, 8750416, 17500832, 35001664, 70003328, 140006656, 280013312]

約数ペア:

[(1, 280013312), (2, 140006656), (4, 70003328), (8, 35001664), (16, 17500832), (32, 8750416), (64, 4375208), (128, 2187604), (256, 1093802), (487, 574976), (512, 546901), (974, 287488), (1123, 249344), (1948, 143744), (2246, 124672), (3896, 71872), (4492, 62336), (7792, 35936), (8984, 31168), (15584, 17968)]