520058620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{1249}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 1108800000

約数和(自身を除く): 588741380

約数列:

[1, 2, 4, 5, 10, 20, 109, 191, 218, 382, 436, 545, 764, 955, 1090, 1249, 1910, 2180, 2498, 3820, 4996, 6245, 12490, 20819, 24980, 41638, 83276, 104095, 136141, 208190, 238559, 272282, 416380, 477118, 544564, 680705, 954236, 1192795, 1361410, 2385590, 2722820, 4771180, 26002931, 52005862, 104011724, 130014655, 260029310, 520058620]

約数ペア:

[(1, 520058620), (2, 260029310), (4, 130014655), (5, 104011724), (10, 52005862), (20, 26002931), (109, 4771180), (191, 2722820), (218, 2385590), (382, 1361410), (436, 1192795), (545, 954236), (764, 680705), (955, 544564), (1090, 477118), (1249, 416380), (1910, 272282), (2180, 238559), (2498, 208190), (3820, 136141), (4996, 104095), (6245, 83276), (12490, 41638), (20819, 24980)]