67968740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15661}}^1$

素因数の和:15708

約数の個数: 48

約数和(自身を含む): 168397824

約数和(自身を除く): 100429084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 15661, 31322, 62644, 78305, 109627, 156610, 219254, 313220, 438508, 485491, 548135, 970982, 1096270, 1941964, 2192540, 2427455, 3398437, 4854910, 6796874, 9709820, 13593748, 16992185, 33984370, 67968740]

約数ペア:

[(1, 67968740), (2, 33984370), (4, 16992185), (5, 13593748), (7, 9709820), (10, 6796874), (14, 4854910), (20, 3398437), (28, 2427455), (31, 2192540), (35, 1941964), (62, 1096270), (70, 970982), (124, 548135), (140, 485491), (155, 438508), (217, 313220), (310, 219254), (434, 156610), (620, 109627), (868, 78305), (1085, 62644), (2170, 31322), (4340, 15661)]