531570220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{4943}}^1$

素因数の和:5254

約数の個数: 48

約数和(自身を含む): 1179440640

約数和(自身を除く): 647870420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 283, 380, 566, 1132, 1415, 2830, 4943, 5377, 5660, 9886, 10754, 19772, 21508, 24715, 26885, 49430, 53770, 93917, 98860, 107540, 187834, 375668, 469585, 939170, 1398869, 1878340, 2797738, 5595476, 6994345, 13988690, 26578511, 27977380, 53157022, 106314044, 132892555, 265785110, 531570220]

約数ペア:

[(1, 531570220), (2, 265785110), (4, 132892555), (5, 106314044), (10, 53157022), (19, 27977380), (20, 26578511), (38, 13988690), (76, 6994345), (95, 5595476), (190, 2797738), (283, 1878340), (380, 1398869), (566, 939170), (1132, 469585), (1415, 375668), (2830, 187834), (4943, 107540), (5377, 98860), (5660, 93917), (9886, 53770), (10754, 49430), (19772, 26885), (21508, 24715)]