394865240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128203}}^1$

素因数の和:128232

約数の個数: 64

約数和(自身を含む): 1107682560

約数和(自身を除く): 712817320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 128203, 256406, 512812, 641015, 897421, 1025624, 1282030, 1410233, 1794842, 2564060, 2820466, 3589684, 4487105, 5128120, 5640932, 7051165, 7179368, 8974210, 9871631, 11281864, 14102330, 17948420, 19743262, 28204660, 35896840, 39486524, 49358155, 56409320, 78973048, 98716310, 197432620, 394865240]

約数ペア:

[(1, 394865240), (2, 197432620), (4, 98716310), (5, 78973048), (7, 56409320), (8, 49358155), (10, 39486524), (11, 35896840), (14, 28204660), (20, 19743262), (22, 17948420), (28, 14102330), (35, 11281864), (40, 9871631), (44, 8974210), (55, 7179368), (56, 7051165), (70, 5640932), (77, 5128120), (88, 4487105), (110, 3589684), (140, 2820466), (154, 2564060), (220, 1794842), (280, 1410233), (308, 1282030), (385, 1025624), (440, 897421), (616, 641015), (770, 512812), (1540, 256406), (3080, 128203)]