309556940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{201011}}^1$

素因数の和:201038

約数の個数: 48

約数和(自身を含む): 810480384

約数和(自身を除く): 500923444

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 201011, 402022, 804044, 1005055, 1407077, 2010110, 2211121, 2814154, 4020220, 4422242, 5628308, 7035385, 8844484, 11055605, 14070770, 15477847, 22111210, 28141540, 30955694, 44222420, 61911388, 77389235, 154778470, 309556940]

約数ペア:

[(1, 309556940), (2, 154778470), (4, 77389235), (5, 61911388), (7, 44222420), (10, 30955694), (11, 28141540), (14, 22111210), (20, 15477847), (22, 14070770), (28, 11055605), (35, 8844484), (44, 7035385), (55, 5628308), (70, 4422242), (77, 4020220), (110, 2814154), (140, 2211121), (154, 2010110), (220, 1407077), (308, 1005055), (385, 804044), (770, 402022), (1540, 201011)]