29227660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18979}}^1$

素因数の和:19006

約数の個数: 48

約数和(自身を含む): 76527360

約数和(自身を除く): 47299700

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, 18979, 37958, 75916, 94895, 132853, 189790, 208769, 265706, 379580, 417538, 531412, 664265, 835076, 1043845, 1328530, 1461383, 2087690, 2657060, 2922766, 4175380, 5845532, 7306915, 14613830, 29227660]

約数ペア:

[(1, 29227660), (2, 14613830), (4, 7306915), (5, 5845532), (7, 4175380), (10, 2922766), (11, 2657060), (14, 2087690), (20, 1461383), (22, 1328530), (28, 1043845), (35, 835076), (44, 664265), (55, 531412), (70, 417538), (77, 379580), (110, 265706), (140, 208769), (154, 189790), (220, 132853), (308, 94895), (385, 75916), (770, 37958), (1540, 18979)]