138968970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21347}}^1$

素因数の和:21395

約数の個数: 64

約数和(自身を含む): 393486336

約数和(自身を除く): 254517366

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 6510, 21347, 42694, 64041, 106735, 128082, 149429, 213470, 298858, 320205, 448287, 640410, 661757, 747145, 896574, 1323514, 1494290, 1985271, 2241435, 3308785, 3970542, 4482870, 4632299, 6617570, 9264598, 9926355, 13896897, 19852710, 23161495, 27793794, 46322990, 69484485, 138968970]

約数ペア:

[(1, 138968970), (2, 69484485), (3, 46322990), (5, 27793794), (6, 23161495), (7, 19852710), (10, 13896897), (14, 9926355), (15, 9264598), (21, 6617570), (30, 4632299), (31, 4482870), (35, 3970542), (42, 3308785), (62, 2241435), (70, 1985271), (93, 1494290), (105, 1323514), (155, 896574), (186, 747145), (210, 661757), (217, 640410), (310, 448287), (434, 320205), (465, 298858), (651, 213470), (930, 149429), (1085, 128082), (1302, 106735), (2170, 64041), (3255, 42694), (6510, 21347)]