131717740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{85531}}^1$

素因数の和:85558

約数の個数: 48

約数和(自身を含む): 344865024

約数和(自身を除く): 213147284

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, 85531, 171062, 342124, 427655, 598717, 855310, 940841, 1197434, 1710620, 1881682, 2394868, 2993585, 3763364, 4704205, 5987170, 6585887, 9408410, 11974340, 13171774, 18816820, 26343548, 32929435, 65858870, 131717740]

約数ペア:

[(1, 131717740), (2, 65858870), (4, 32929435), (5, 26343548), (7, 18816820), (10, 13171774), (11, 11974340), (14, 9408410), (20, 6585887), (22, 5987170), (28, 4704205), (35, 3763364), (44, 2993585), (55, 2394868), (70, 1881682), (77, 1710620), (110, 1197434), (140, 940841), (154, 855310), (220, 598717), (308, 427655), (385, 342124), (770, 171062), (1540, 85531)]