64250290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 66386510

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 107, 130, 149, 155, 214, 298, 310, 403, 535, 745, 806, 1070, 1391, 1490, 1937, 2015, 2782, 3317, 3874, 4030, 4619, 6634, 6955, 9238, 9685, 13910, 15943, 16585, 19370, 23095, 31886, 33170, 43121, 46190, 60047, 79715, 86242, 120094, 159430, 207259, 215605, 300235, 414518, 431210, 494233, 600470, 988466, 1036295, 2072590, 2471165, 4942330, 6425029, 12850058, 32125145, 64250290]

約数ペア:

[(1, 64250290), (2, 32125145), (5, 12850058), (10, 6425029), (13, 4942330), (26, 2471165), (31, 2072590), (62, 1036295), (65, 988466), (107, 600470), (130, 494233), (149, 431210), (155, 414518), (214, 300235), (298, 215605), (310, 207259), (403, 159430), (535, 120094), (745, 86242), (806, 79715), (1070, 60047), (1391, 46190), (1490, 43121), (1937, 33170), (2015, 31886), (2782, 23095), (3317, 19370), (3874, 16585), (4030, 15943), (4619, 13910), (6634, 9685), (6955, 9238)]