207663280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{643}}^1$

素因数の和:1034

約数の個数: 80

約数和(自身を含む): 528966144

約数和(自身を除く): 321302864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 367, 440, 643, 734, 880, 1286, 1468, 1835, 2572, 2936, 3215, 3670, 4037, 5144, 5872, 6430, 7073, 7340, 8074, 10288, 12860, 14146, 14680, 16148, 20185, 25720, 28292, 29360, 32296, 35365, 40370, 51440, 56584, 64592, 70730, 80740, 113168, 141460, 161480, 235981, 282920, 322960, 471962, 565840, 943924, 1179905, 1887848, 2359810, 2595791, 3775696, 4719620, 5191582, 9439240, 10383164, 12978955, 18878480, 20766328, 25957910, 41532656, 51915820, 103831640, 207663280]

約数ペア:

[(1, 207663280), (2, 103831640), (4, 51915820), (5, 41532656), (8, 25957910), (10, 20766328), (11, 18878480), (16, 12978955), (20, 10383164), (22, 9439240), (40, 5191582), (44, 4719620), (55, 3775696), (80, 2595791), (88, 2359810), (110, 1887848), (176, 1179905), (220, 943924), (367, 565840), (440, 471962), (643, 322960), (734, 282920), (880, 235981), (1286, 161480), (1468, 141460), (1835, 113168), (2572, 80740), (2936, 70730), (3215, 64592), (3670, 56584), (4037, 51440), (5144, 40370), (5872, 35365), (6430, 32296), (7073, 29360), (7340, 28292), (8074, 25720), (10288, 20185), (12860, 16148), (14146, 14680)]