211049620

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 449558928

約数和(自身を除く): 238509308

約数列:

[1, 2, 4, 5, 10, 20, 173, 181, 337, 346, 362, 674, 692, 724, 865, 905, 1348, 1685, 1730, 1810, 3370, 3460, 3620, 6740, 31313, 58301, 60997, 62626, 116602, 121994, 125252, 156565, 233204, 243988, 291505, 304985, 313130, 583010, 609970, 626260, 1166020, 1219940, 10552481, 21104962, 42209924, 52762405, 105524810, 211049620]

約数ペア:

[(1, 211049620), (2, 105524810), (4, 52762405), (5, 42209924), (10, 21104962), (20, 10552481), (173, 1219940), (181, 1166020), (337, 626260), (346, 609970), (362, 583010), (674, 313130), (692, 304985), (724, 291505), (865, 243988), (905, 233204), (1348, 156565), (1685, 125252), (1730, 121994), (1810, 116602), (3370, 62626), (3460, 60997), (3620, 58301), (6740, 31313)]