797769940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{329657}}^1$

素因数の和:329688

約数の個数: 36

約数和(自身を含む): 1841469588

約数和(自身を除く): 1043699648

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 329657, 659314, 1318628, 1648285, 3296570, 3626227, 6593140, 7252454, 14504908, 18131135, 36262270, 39888497, 72524540, 79776994, 159553988, 199442485, 398884970, 797769940]

約数ペア:

[(1, 797769940), (2, 398884970), (4, 199442485), (5, 159553988), (10, 79776994), (11, 72524540), (20, 39888497), (22, 36262270), (44, 18131135), (55, 14504908), (110, 7252454), (121, 6593140), (220, 3626227), (242, 3296570), (484, 1648285), (605, 1318628), (1210, 659314), (2420, 329657)]