1633940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 4281984

約数和(自身を除く): 2648044

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, 1061, 1540, 2122, 4244, 5305, 7427, 10610, 11671, 14854, 21220, 23342, 29708, 37135, 46684, 58355, 74270, 81697, 116710, 148540, 163394, 233420, 326788, 408485, 816970, 1633940]

約数ペア:

[(1, 1633940), (2, 816970), (4, 408485), (5, 326788), (7, 233420), (10, 163394), (11, 148540), (14, 116710), (20, 81697), (22, 74270), (28, 58355), (35, 46684), (44, 37135), (55, 29708), (70, 23342), (77, 21220), (110, 14854), (140, 11671), (154, 10610), (220, 7427), (308, 5305), (385, 4244), (770, 2122), (1061, 1540)]