289199020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{45329}}^1$

素因数の和:45378

約数の個数: 48

約数和(自身を含む): 685389600

約数和(自身を除く): 396190580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 45329, 90658, 181316, 226645, 453290, 498619, 906580, 997238, 1314541, 1994476, 2493095, 2629082, 4986190, 5258164, 6572705, 9972380, 13145410, 14459951, 26290820, 28919902, 57839804, 72299755, 144599510, 289199020]

約数ペア:

[(1, 289199020), (2, 144599510), (4, 72299755), (5, 57839804), (10, 28919902), (11, 26290820), (20, 14459951), (22, 13145410), (29, 9972380), (44, 6572705), (55, 5258164), (58, 4986190), (110, 2629082), (116, 2493095), (145, 1994476), (220, 1314541), (290, 997238), (319, 906580), (580, 498619), (638, 453290), (1276, 226645), (1595, 181316), (3190, 90658), (6380, 45329)]