320422784

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2557}}^1$

素因数の和:2671

約数の個数: 64

約数和(自身を含む): 704473200

約数和(自身を除く): 384050416

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 89, 128, 176, 178, 352, 356, 704, 712, 979, 1408, 1424, 1958, 2557, 2848, 3916, 5114, 5696, 7832, 10228, 11392, 15664, 20456, 28127, 31328, 40912, 56254, 62656, 81824, 112508, 125312, 163648, 225016, 227573, 327296, 450032, 455146, 900064, 910292, 1800128, 1820584, 2503303, 3600256, 3641168, 5006606, 7282336, 10013212, 14564672, 20026424, 29129344, 40052848, 80105696, 160211392, 320422784]

約数ペア:

[(1, 320422784), (2, 160211392), (4, 80105696), (8, 40052848), (11, 29129344), (16, 20026424), (22, 14564672), (32, 10013212), (44, 7282336), (64, 5006606), (88, 3641168), (89, 3600256), (128, 2503303), (176, 1820584), (178, 1800128), (352, 910292), (356, 900064), (704, 455146), (712, 450032), (979, 327296), (1408, 227573), (1424, 225016), (1958, 163648), (2557, 125312), (2848, 112508), (3916, 81824), (5114, 62656), (5696, 56254), (7832, 40912), (10228, 31328), (11392, 28127), (15664, 20456)]