278313920

素因数分解:

$2^6\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2833}}^1$

素因数の和:3157

約数の個数: 56

約数和(自身を含む): 665128464

約数和(自身を除く): 386814544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 307, 320, 614, 1228, 1535, 2456, 2833, 3070, 4912, 5666, 6140, 9824, 11332, 12280, 14165, 19648, 22664, 24560, 28330, 45328, 49120, 56660, 90656, 98240, 113320, 181312, 226640, 453280, 869731, 906560, 1739462, 3478924, 4348655, 6957848, 8697310, 13915696, 17394620, 27831392, 34789240, 55662784, 69578480, 139156960, 278313920]

約数ペア:

[(1, 278313920), (2, 139156960), (4, 69578480), (5, 55662784), (8, 34789240), (10, 27831392), (16, 17394620), (20, 13915696), (32, 8697310), (40, 6957848), (64, 4348655), (80, 3478924), (160, 1739462), (307, 906560), (320, 869731), (614, 453280), (1228, 226640), (1535, 181312), (2456, 113320), (2833, 98240), (3070, 90656), (4912, 56660), (5666, 49120), (6140, 45328), (9824, 28330), (11332, 24560), (12280, 22664), (14165, 19648)]